As it is being said, some sisters-in-law can do things that are extremely out of place. Well, I’m here to tell you it’s not generally true. While we have some like that, we also have some that are angels in human form.
I mean, they take care of your brother and your spouse. They do things the right way and accord you maximum respect. There are some who only leverage on how you treat them. You can’t treat your sister-in-law unfairly and expect her to reciprocate by treating you like a queen or king.
Regardless of how your relationship with your sister-in-law is, you should send her a wish on her birthday, because she remains an amazing part of your family.
And that’s why I have the compilation of Happy Belated Birthday Sister in Law Wishes below. They were carefully written and put together in the most beautiful way possible. She will love you more for sending one of these to her. Now, go ahead.
My dear sister-in-law, I’m the happiest person to be associated with you. You have been a great source of strength and encouragement to me. I’m grateful for the memories we have together. Belated happy birthday to you.
1. Though you are my brother’s wife which automatically makes you my sister-in-law, but I like to call you my friend. You have always been there for me. I hope your birthday was fun and full of amazing people. Belated happy birthday to you, and sorry I couldn’t make it down there.
2. You have been nothing short of amazing to me. You show me true love, and this has made me fall in love with you. Thank you for those times you saved me from unnecessary arguments with my brother. I hope that you know you’re loved. Belated happy birthday, darling.
3. The most thing I love about you is your sweet capacity for kindness and love; you show love to all and sundry. I am the luckiest person to have to in this family, forget about my brother. Having you in my life has made a lot of difference. Belated happy birthday to the best sister-in-law ever.
4. I hope that the Lord grants your long-awaited dreams and aspirations. You have been too nice to this family, despite our shortcomings. Thank you for being not just a wonderful sister-in-law, but a wonderful person as well. Belated happy birthday to you. I hope you had fun.
5. I just wanted you to know that I love you. I mean, I’m sure my brother does, but I just love everything about you. I love you to bits, sister-in-law. The best decision my brother has made in his entire life was to marry you. I’m so happy about your new age. Belated happy birthday.
6. Becoming a full member of this family made us all happy because we fell in love with you the first time my brother brought you home. I hope that your new year brings you all the wonderful things that you have ever wished for in life. Belated happy birthday.
7. You are my sister-in-love because we have been friends way before you met my brother. And even after, you haven’t stopped being the amazing person I have always known. I hope that you were surrounded by enough love on your birthday. Don’t stop hoping for the best. Belated birthday wishes to you.
8. Dear sister-in-law, I love you, and that’s not just because you are family, but because you are a remarkable person in my life, and I am glad to call you my friend. Thank you for being right in my corner. I’m forever grateful for this beautiful friendship, and I will cherish it forever. Belated happy birthday to you.
9. Seriously speaking, I consider you to be a sister. I will never refer to you as a sister-in-law. You are more than that. I am so grateful that I am blessed with someone so sweet and nice. I am sure you consider me your sister as well. How was yesterday’s party? Belated birthday wishes, love.
10. We have the sweetest and most enviable relationship ever. No one will ever believe you’re my brother’s wife, because according to some people, sisters-in-law don’t always get along. I’m so happy this isn’t our reality. Thank you for being such an amazing person. Belated happy birthday, dear.
11. Even though I have sisters-in-law, you are the only one I can always come to for advice, support, and encouragement. Believe me, if I say that I am so glad that you are a part of my life, and I am thankful for this. I hope that your birthday was full of people you hold dear. Belated happy birthday to you.
12. I have known my brother for always taking decisions without thinking about the aftermath, but I can’t say the same for the decision of marrying you. In fact, it is the best he has ever made. Thank you for accepting to become a part of our family, I hope that you have an amazing year ahead. Belated happy birthday to you.
13. You are a whole lot of beautiful packages in one. My brother really did well by convincing you to marry him. I want you to know that we are very happy to have you in this family. I hope that you had an interesting birthday. Belated happy birthday, dear sister.
14. I sincerely didn’t want my brother to get married, not just to you, but to any lady at all. My friends have made me believe that you’re only going to take my place in his heart because they already have the experience. I’m so happy you turned out to be a lady I love so much. Thank you for everything. Belated happy birthday to you.
15. I never thought this whole thing was going to work out because I didn’t like you. I have been made to understand that sisters-in-law have a way of manipulating their husbands to do their wish, and neglect his family. But no, you weren’t like that. I’m so grateful for your love, dear. Belated happy birthday to you.
16. My brother has always been known for his nonchalance towards everyone, but you have only made his heart bigger with your love. He’s now reachable to us all. Thank you for making this happen within a year of being married to him. I can say for a fact that his life will change in no time. I love you, sister. Belated happy birthday to you
17. As a man, I never thought I could vibe and be free with my brother’s wife like this. That means you’re a very lovable person, and I really appreciate that about you. Thank you for filling our lives with so much happiness. I’m sorry this is coming late, you will soon take delivery of your cake too. Be good.
18. I haven’t felt any sisterly love all my life. My brother marrying you was a dream come true for me. You have since been an amazing sister, and even if I had a biological sister, she possibly can’t do more than you do. I’m super grateful, sis. I hope my brother made your birthday special. Belated happy birthday, sister-in-love.
19. If everyone was fortunate enough to have an amazing sister-in-law like you in their lives, then marriages will be less complicated. You are too loving and caring, and this particular thing sets you apart from other sisters-in-law. I appreciate all you do. Belated birthday wishes to you.
20. I’m so glad you are a part of this family because we are loving people and we were made for people like you. You have brought more than enough warmth into this family. I am sending lots of warm and loving thoughts your way throughout this year. Belated happy birthday, sister-in-Law.
21. I was so overwhelmed with joy when my brother brought you home. I mean, I could easily tell he made the right choice for the first time in his life. I am so happy that my nephews and nieces will be coming from your womb. I can’t wait to meet them. Belated happy birthday to you, sis.
22. I’m the luckiest lady, really. I know you feel like the luckiest because you are married to a very sweet guy which is my brother. But I am the luckiest because I will have forever to spend with a beautiful sister-in-law like you. I love you so much. Belated happy birthday to you.
23. Trust me, if I had the chance, I would’ve left where I was to be with you on your birthday, but my hands were too tied. I was seriously busy, but still, my mind was with you all through. I’m sure you had an unforgettable experience because my brother told me of the surprise he planned for you. Belated happy birthday to you.
24. You make our family stronger just by being in it. You hold it down for every one of us when we need you the most. You don’t mind ignoring the things that matter to you, just to see us happy. I am so blessed to have such a genuine and sweet person as a sister-in-law. Belated happy birthday to you.
25. You are such an adorable sister-in-law. I’m happy to call you my friend. You’re too beautiful and you have a very sweetheart. I will be learning a lot from you before I finally get married. I want to know how you manage work and the home. I will be coming with your cake soon. Belated happy birthday to you.
There are so many wishes in my heart, but I will wait till we see. I know your birthday has passed already, but my love for you will never pass. Belated happy birthday to the best sister-in-law in history.
26. Your addition to our family has brought so much joy and many delightful moments into our lives. Thank you for being such a positive person who goes about making other people happy with life. I’m sure the house was fully loaded with beautiful people yesterday. How was the atmosphere? Belated happy birthday to you.
27. I couldn’t believe that sisters-in-law could be so close. All along, I was always scared of losing my brother to any woman. But now, I have you to thank for making my relationship with my brother even more secure. Thank you, so much, and belated happy birthday, to you.
28. I’m sorry, but no one told me I’d ever be lucky with a good sister-in-law like you, not even mom. I guess it’s a once in a lifetime thing, and I’m just so fortunate to be lucky. When my brother brought you home, I knew right away you were a sweet person. Never stop doing you. Belated happy birthday to you.
29. Well, I have no idea what pickup lines my brother used in persuading you to marry him, but I must say it really worked. I’m so in love with you, my dear. I love everything about you. I hope he knows the value of what he has ventured into. May this whole year be as joyous and sweet as you are. Belated happy birthday to you.
30. Truth be told, you deserve all we planned out for you on your birthday. I was a part of it all, I didn’t just have the time to follow up. You deserve even more than what you got, but be patient with us. As the years come, your gifts get bigger. Belated happy birthday to you dear. I just had the time to do this.
31. You have almost everything you wish for, and I seriously hope I can tap from those things. You have always been too sweet towards me. You’re never too busy to lend listening ears, and proffer solutions when needed. In short, you’re always right on time. I can’t thank you enough. This is coming quite late, but I love you all the same.
32. By making my brother happy, you have made the whole family happy. He’s the breadwinner of this family, and if he’s not happy, we can’t be. We are all lucky to have in our lives. May your new year bring you nothing but satisfaction and all-around sweetness. Belated happy birthday to you.
33. I can only tender an apology through text. Seriously, my life is a lot better with you in it. Don’t get me wrong, my life has always been wonderful, but you came with so much positivity. I hope that you always have enough joy to give. Belated happy birthday to you.
34. You are like a little sister to me, and I will never tolerate any bullshit towards you, from my brother. Thank you for agreeing to be my brother’s wife despite his so many flaws. I’m sorry I couldn’t make it to your birthday get-together. Belated happy birthday to you, my dear.
35. Over the years, you have been a constant source of love and support to me. You just want to see me flourish. I want to thank you for being such an understanding and accommodating person. I hope your birthday was full of fun. Belated happy birthday to you.
36. Considering the amount of joy and happiness you have brought into our lives in this family, you deserve a beautiful statue to your name. You are nothing but a good wife and sister-in-law. I know your best is yet to come. Belated happy birthday to you.
37. What more do you want? You have the sweetest and most supportive husband, you have beautiful kids, you have a successful career to your name, you even have me as a sister-in-law. All these make you a very lucky woman. I just wanted to wish you a belated happy birthday.
38. It only gets better between us; our bond only grows stronger than ever. I’m grateful for the commitments we have made and the times we had to go through sad times together. I want you to know that we are stronger together. Belated happy birthday, my wife and sister-in-law.
39. The thoughts of you being an in-law has never crossed my mind. You are a very good sister to me. I’m super grateful for all do you. Thank you for making my brother surrender, even when he says there’s no money. I am grateful. Belated happy birthday.
40. My brother is known for many things but making great choices is definitely not one of those things. And that’s exactly why I was flummoxed when he brought you home. May you keep going onto great things. Belated happy birthday to you.
41. I’m so happy that you get a generous person and you don’t find it hard to do charity, despite not having an organization. Thanks for all you do for humanity. I hope that you had an exceptional birthday. Belated happy birthday to you.
42. You are a wonderful addition to our family, and the first time I met you was the beginning of something great in my life. Thank you for always putting me through, using your experiences as examples. I appreciate you. Belated happy birthday to you.
43. I seriously don’t know what I would do without your advice and words of encouragement. They make me eager me to do more. I’m always full, whenever I am with you. You just have enough positivity to go around, and that’s so beautiful about you. I know I don’t have an excuse for missing your birthday, but please forgive me.
44. I want to thank you for being such a wonderful sister to me and my sister. She tells me so much about you, including the fact that you taught her morals. How sweet of you! My family and I appreciate you for always being there. Belated happy birthday to you.
45. You have made so much impact in my life, and that of my brother. You have been such a pillar of strength and courage to me, especially. I can now stand up and look my fears in the face. Thank you for this and every other thing I can’t mention. Belated happy birthday to you.
46. I admire your resilient spirit. You have so much zeal to not give up. Sincerely, a lot of things about you have helped me reshape my mentality, and I now know better. I really love and adore you, forget about not being present on your day. Belated happy birthday to you.
47. For the gists and late-night talks, I am grateful. I couldn’t have asked for a better person for a sister-in-law. Thank you for being more than an in-law to me. You are greatly loved and appreciated. Belated happy birthday to you.
48. My brother is always been a stubborn person, so I am really surprised at how cool he is now. That’s what love does to a young man like him. I know he can be really annoying, but please let it go. Belated happy birthday, dear. Sorry, it’s coming late.
49. Even though we are sisters-in-law, it feels like we are siblings. I love you so much, and I am deeply thankful that my brother did not miss it this time. I have him to thank for bringing such an incredible person into my life. Happy birthday, sister-in-law.
50. Despite the closeness between me and my brother, you have never made it seem like you are jealous. You are always encouraging me to be a successful person, and if I make it big today, I have you to thank for it. Belated happy birthday to you.
What quote can tell how sweet you actually are? I bet none. I’m happy that you are in the best place, which is my brother’s life. Thank you for being a sweet sister-in-law. Belated happy birthday to you.
51. I hope that you know it’s always a delight to have you around. We in this family are now happy to fully welcome you. Thank you for accepting to do forever with my brother. Belated happy birthday to you.
52. You are the greatest choice my brother has been fortunate to make in his entire life. You entered into his life and you keep helping him make great decisions, even letting him know that family is everything. Thank you for making us have his attention. Belated happy birthday to you, sweet wife.
53. You are my sister-in-law, but you also double as my best friend. You have been with me through it all. You go all out for me, even in my absence. I’m seriously indebted to you for life. Thanks for taking care of my brother and the family. I’m sorry this came in quite late. Belated happy birthday, special person.
54. I just wanted you to know that you are still very dear to my heart, even though I forgot your birthday. Dear sister-in-law, I truly mean well for you. I appreciate that you are still with my brother, despite all that has happened. May God be with you, dear. Belated happy birthday to you.
55. There’s a particular thing that attracted me to you the very first time I set my eyes on you; it was your pure smile. One could easily tell that it was so genuine and came from the bottom of your heart. I’m grateful for our friendship, aside from the family stuff. I know you will pardon me for being late on the wishes. Belated happy birthday to you.
56. I just thank God that I introduced my brother to you, and I’m more thankful that you saw potentials in him. In short, I’m grateful to God for using me as a point of contact for you both. I thank you especially for making me proud. I have more than enough presents to give you. Belated happy birthday to you.
57. You are everything beautiful and sweet. In fact, it’s just like my brother knew everything I wanted in a sister-in-law. Thank you for being so amazing to me, and not hostile like some other sisters-in-law. Belated happy birthday from the best sister-in-law ever.
58. You have been my day one friend, and if there’s anything I thank God for, it’s for making our paths cross. I count myself so lucky and fortunate to have you as a friend and even a sister-in-law. Our friendship only grew stronger when my brother brought you home. Thank you for loving our family. We love you too. Belated happy birthday to you.
59. I’m sorry this birthday wish is coming late, you know I just got here, and I’m still trying to settle. I can’t but mention how good you have been to me and my family. You have really been there for all of us. I know the heavens must bless you, even if I don’t say it. I love you so much, dear. Belated happy birthday to you.
60. You are the best sister-in-law anyone could ever wish for. Ever since you came, my brother has been too caring to me. He doesn’t snub or ignore my calls like before. I was actually thinking it’s going to get worse, once he’s married, but you came and everything changed from bad to better. I’m eternally grateful, my dear. God bless all your endeavours. Belated wishes.
61. You are a very successful housewife who takes delight not only in taking care of her family but in taking care of her husband’s family and every other person. I’m grateful that God blessed my brother with you because he deserves the best. I’m glad you two found each other. Birthday blessings, dear.
62. You are a very cool-headed person, and I’m super happy to be associated with you. You have been through a lot with me in silence, and you never told anyone about my secrets. Now, I don’t know who is nicer between you and my brother. I want to wish you a belated happy birthday. Sorry, it’s coming late.
63. When my little brother brought you home, I was thinking if you knew what you were getting yourself into. But it’s been three whole years, and I’m sure you have been the one holding it down. My brother is now a changed person because he married you. I love you to bits. Belated happy birthday.
64. I want to thank you for being a loving aunt to my kids, especially when I’m not around and they are with you. They can’t stop talking about how nice you were to them. Thank you so much, I don’t know what I would do without you. You know I’m always busy, so I just had the time to do this.
65. Who deserves joy and happiness more? Absolutely, you! You have been there for a lot of people. Even when you’re going through your own stuff, no one knows. You appear very strong and keep it going. I envy your strength, dear. It was your birthday yesterday, and I was too busy to even text. I’m so sorry. Belated happy birthday to you.
66. Your laughter is like the balm of Gilead to my soul. Your smile has a way of passing a message, even without you opening your mouth to say anything. We have all been waiting for someone like you for too long, and I want you to know that you are a lovely addition to our family. Belated happy birthday.
67. You are a very prayerful wife and sister-in-law. I see all you do to keep your family together, and I truly hope that I can possess half of your strength. I couldn’t have asked for a better sister-in-law. I hope that all you want come to you with ease. Belated happy birthday to you.
68. You are calm, cool, and beautiful. You don’t even look like someone who likes problems, no wonder my brother could trick you into marrying him. Well, I am glad you feel for him. I mean, look how great you guys look together. Belated happy birthday to you, my darling sister-in-law. Bless you.
69. I just want to use this opportunity to thank you again for agreeing to be my brother’s wife. If not for this beautiful decision, I wouldn’t have made it with a great friend and sister-in-law like you. If I have to thank you, I will gladly do it over and over again. Belated happy birthday to you.
70. Some women get married and make sure that their husband and his family stop having a good relationship like everything just dies down. But thankfully, you are not like that. I keep saying we do not deserve someone as nice and submissive as you in this family. God just loves us. Thank you for all you are. Belated happy birthday to you.
71. You know I am a caring sister-in-law, and I wouldn’t have intentionally hurt you on your birthday. Some things came up, and they needed urgent attention. Don’t worry, I’m all for you throughout this month. Belated happy birthday to you. I hope you had the fun of your life.
72. When I was a kid, I always cried and complained about not having a sister, because mom only gave me brothers. I never knew God was planning something great for the future through my brothers. I’m glad something great is here, and I’m going to cherish her forever. Belated happy birthday to you.
73. Despite the stubbornness and carefree attitude of my brother, you have succeeded in surviving another year beside him. I must commend your great works in managing him. I thank God for your life too. I hope that your birthday was as beautiful as you are. Belated happy birthday to you, sweet sister-in-law.
74. The rumours of sisters-in-law being wicked and evil made me have some expectations when my brother brought you home. I’m glad this isn’t your reality. You have proven to be a good woman, sister-in-law and wife beyond reasonable doubts. I’m glad you’re a part of this family. Belated happy birthday, sister-in-law.
75. You are so dear to my heart, and I couldn’t have possibly forgotten your birthday. I was really fixed and could think of nothing. Please, pardon me. I hope my brother made you feel really special yesterday. Well, I trust him. Belated happy birthday, sister-in-law.
I could have passed this message across yesterday, but I had a lot holding me back. I’m sorry it’s just coming in now. Your birthday is a great time for all of us because we get to show you how much we care about you. Thank you for taking care of my wife. Belated birthday wishes to you.
76. Some women hate and wish death on their sister-in-law, but I am more concerned about you making my brother happy. You make everyone in this family happy too, with how you treat us with respect. My parents can’t stop calling to tell me about how much you take care of them. I’m really grateful. Belated happy birthday to you.
77. At first, I was really disturbed by how you may likely come between me and my brother. But with time, I realized that I was just being stupid and unnecessarily paranoid. You have been a really good sister-in-law. I apologize for sending this late. Belated happy birthday to you.
78. Without you, I am scared this family will not be half as wonderful as it is. Everyone is happy because of the decision my brother took, which was marrying you. We are so lucky to have you as part of our family. Belated happy birthday to you.
79. I really wish I could spend more time with you like my brother, but people will term it as jealousy. Well, I am. You are a very good person, and anyone will be happy to have you around them. Thank you for keeping up with my excesses. I’m still coming with more. Belated happy birthday to you.
80. I just feel safe whenever I am around you. I feel like you are the sister I never had. Thank you for coming into this family at the time of my life. Without you, there’d be no business idea. Thank you for all the follow-ups you do, even after advising me. Belated happy birthday to you.
81. I love and cherish our friendship so much. I am grateful for someone as kind and thoughtful as you. You’re always there with likely solutions to my problems. You never want to hear that I lack anything. It’s been a smooth ride with you, sister-in-law. Thank goodness you married my brother. Belated wishes.
82. Now I realize what you meant when you asked if I was sure about wanting to be with your brother. Wow! I can tell that your childhood was rough with him. I’m gladly taking up this role for the rest of my life. You have tried. May all your wishes come true this year. Belated happy birthday to you.
83. As I have always done, I’m here again on your birthday, to thank you for releasing your sister to be my wife. You guys were really close but you still wanted her to be with me. I’m forever grateful. Belated happy birthday to you, my wife’s bestie.
84. Nothing can sum up to the gift you have given me. Whenever I see my brother, I can only see happiness and peace of mind. You are really doing a great job. Thank you for being an incredible wife and a wonderful sister-in-law to me. Belated happy birthday to you.
85. I’m always very jealous of my brother because he has a very good woman like you, all to himself. I want to thank you for taking care of him, despite how nasty he can be. You’re an amazing woman. I hope your birthday was really fun. Belated happy birthday to you.
86. Who else can be this open to a sister-in-law, if not you? I’m glad you see a sister in me, enough that you could tell me anything. You are my friend, and I will keep wishing you the best. Belated happy birthday to my amazing sister-in-law.
87. Keeping up with my brother isn’t an easy thing to do. I know this because we grew up together. Our parents were always shouting whenever it came to his matter. But we thank God, he’s now a responsible married man. You did a part of the job too. Belated happy birthday to you.
88. My wife is everything I always prayed for and even more. I could tell y’all are the same. You’re drop-dead gorgeous and sexy too. I’m glad I chose a life partner from your family. Belated happy birthday, sister-in-law. I hope you keep growing and growing.
89. We do not necessarily have to get along every time, but I want you to know that I appreciate all you do for my brother. He’s now a totally changed person, and if you weren’t in the picture, this reality would’ve been in our dreams. Belated happy birthday to you.
90. I never knew we could be best of friends. I was hellbent on my brother not getting married to you, because of the orientation I had about sisters-in-law. Thank you for correcting me without saying a word. Yes, you corrected me using love. Belated happy birthday to you, gorgeous woman.
91. I keep wondering how my brother got so lucky in meeting you. You guys clearly aren’t specs. I guess his pickup lines were too good to be ignored. Whatever it is, I’m wishing you a belated happy birthday. Sorry about the late coming.
92. You are too loyal and faithful, not just to my brother but to everyone. I have known you for years and I can say for a fact that you’re the only one I know of, who has these two qualities. May you always find people with good intentions like you. Belated happy birthday.
93. You are always content with whatever you have. You are not greedy and definitely not after the flamboyant lifestyle. My brother is such a lucky young man to have you in his corner. Thank you for being a wonderful sister-in-law. Belated happy birthday to you.
94. I love how we fight when it comes to having you around. This shows how nice you are. We all want you to be happy always. Whatever it is my wife has done, you can always report her to me. Belated happy birthday, sister-in-law.
95. The wife and sister-in-law of the century award should go to you. You take care of everyone in this family, and you never complain about it. You are unbelievably kind and generous, and we are all lucky that you are a part of our family. Belated birthday wishes.
96. You are the perfect sister-in-law anyone could ever wish for. I have always prayed for a good wife for my brother because I know a good wife will automatically make a good sister-in-law. I’m glad my prayers got answered through you. Belated happy birthday to you.
97. You are such an astounding woman. You treat every one of us with so much love and respect. No one will ever know that you’re older than me, with the respect you accord me. I want to thank you for being our peace. Belated happy birthday to you.
98. I know you to be an understanding person, so you will overlook my mistake of not sending this early enough. I really wish I could go out of my way to make you happy right now because you deserve it. I will just save it all till we see. Belated happy birthday to you.
99. You have brought peace and joy only to my brother’s life, but to our lives as well. I’m very grateful to God for you. I know my brother can mess up at times, but trust me, he says good things about you. We all love you in this family. Belated happy birthday to you.
100. I have been waiting for this moment for a very long time. A moment when I will be able to talk to a woman like me, about anything at all. Thank you for giving me listening ears always. You are always loved and cherished. Belated happy birthday to you.
Hello there. I hope that of all the happy belated birthday sister-in-law wishes you read up there, you found the one that best suits your sister-in-law. I also hope that this decision further strengthens your relationship together. Don’t forget to tell people about this page. Thank you.
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