Hurray!! Your cousin sister is in her sweet 20’s. There is a need for you to make her more of a celebrity than she already is today by sending her sweet coated and lovely wishes as she marks this unique day of her life.
Apart from loads of gifts you will send to her, put a demand on yourself to send her gracious wishes to make her feel more elated and fulfilled.
Collect from this collection of sweet and amazing wishes for a happy 21st birthday wishes for cousin sister to grace her day for her.
She’ll definitely be happy you did!
Best 21st Birthday Messages for Cousin Sister
It’s your birthday today, my favourite cousin, so I’ll write you a poem about how good and brilliant you are, a small bird whispered in my ear. I will give a blessing to a lovely and happy year. I so much love you, cousin. Happy 21st birthday!
1. She’s 21 years today just like that, girl next thing is your marriage ceremony. I know you’re gonna freak out when you see this. Oh my God, you’ve been a blessing to me since I knew you as my cousin. We love teasing ourselves so much, and I enjoy that so much. I hope you have fun on your day and I will make sure I will be a part of your day. Happy 21st birthday.
2. Hey, sweet girl, It’s a great day. Make way for the queen of today. You’ve always been my best friend, gist partner, gossip mate, and all. And yeah, we were also the kitchen chefs during any family get-togethers. Happy 21st Birthday, cousin
3. Hurray! It’s my most precious, most charming cousin’s birthday. I hope your 21st birthday is refreshed with honey spice and all things good, just like you are.
4. My baby girl is 21 today. Yay! I’m so happy for you darling, this is the day that the Lord has made for you, and you will rejoice and receive so many gifts from your loved ones. May God continue to keep you as he has been doing. I love you always and forever, cousin. Rock your day. Happiest 21st birthday to you.
5. I am so fortunate to have a cousin like you: one who motivates excellence and has a positive mind. I wish your year is served with success, love, and exciting exploits. Happy 21st birthday, cousin!
6. Hey cousin, it’s a big day for you; always know that I love you, and I wish you heavenly blessings on this day of yours. Happy 21st birthday, dear.
7. Thank you for being the kind of person to connect with at times when needed and who realizes all my faults but accepts and loves me anyway. You are better than just being a cousin, You are my best friend. Happy Birthday, sweetie.
8. Happy Birthday to my beautiful sister, my partner in crime. People say we look alike so much like twins, well that is because we love each other so much. Wishing you a big hearty 21st birthday, cousin.
9. Hey dear, Happy Birthday to you, long life and prosperity, more years to come, more calendars to destroy, more cash, plenty of blessings, double favours, and many more good things in life. Enjoy your 21st birthday.
10. The Lord has been so good to you throughout the journey of your life; his mercies have kept you. You were counted among the living that will see your day which is today. That alone is a great gift from God. Congratulations, cousin you’re a year older now. I wish you well in life. Happy 21st birthday.
11. Happy birthday to someone who is a sister, a friend, and an adviser. You’ve been a good family member to me, you’re always the one that sees and corrects my wrongdoings. Happy 21st birthday to a cousin like no other. I love you so much, dear
12. Congratulations, you have seen the glory of God; congratulations, because he has made today for you and you will come back with new testimonies. I wish all of you the best day today dear. Happy 21st birthday, cousin.
13. May your day be brighter and shiner; this year shall be a remarkable year unto you. You are such a lovely and fabulous person to be with, cousin. I hope you enjoy this day with lots of gifts, cakes and ice cream because I know they are your favourite. Enjoy your day. Happy 21st birthday.
14. As you have added another year to your age today, I pray that you will be added unto joy, wisdom, happiness galore, and success all around. May your heart be filled with an abundance of peace and calmness. Happy birthday, my lovely cousin.
15. Happy Birthday to my best friend and sister at heart, who just so happens to be my cousin; I love you, dear. Happy 21st. Have a great day!
16. Wishing you the best birthday possible to my dear cousin who will be more like a sister to me. We might have been born into our family like cousins, but the truth is that we are much more like sisters. Happy 21st birthday, dear.
17. My beautiful cousin, our close bond is more like that shared among sisters than any other family member. Happy 21st birthday.
18. Birthday girl is a year older today; I pray that as you are one year older today, I pray that you grow in wisdom, knowledge, and understanding more than Solomon’s. Continue to bask in God’s glory, cousin. Happy 21st birthday.
19. 21 years is not a joke. Thank God for how far you have come cousin; I’m personally grateful for the great works God has been doing in your life. I wish you many more years on earth. Happy 21st birthday.
20. Officially we are cousins, but my heart says we are sisters. I’m wishing you the most wonderful 21st birthday today. Have a blast.
21. I’m sending the very best birthday wishes your way today, my adorable little cousin sister! May your special day be a beautiful one full of love, joy, and happiness.
22. A family member like you isn’t just a beautiful addition but a true blessing. I feel so lucky to have you as my cousin and even luckier that I’m able to call you my best friend and sis. Your presence in my life is heart-touching, as you truly mean the world to me. Happy 21st birthday, dear.
23. Having a cousin like you growing up meant that I had the best childhood possible. To me, I’ll always see you not only as my cousin but also as a best friend and sister. Happy 21st birthday to you, and thank you for all the happy memories, my dear.
24. I love you just like a sister you’re my favourite girl alive. Even if sometimes you do still act as though you’re 5. I still love you. Happy 21st Birthday, love.
25. For someone who is a cousin, a dear friend, and also a sister to me, I thought I had better get you not one gift but three! May you have the absolute best and happiest 21st birthday possible today.
26. Sweetness and gladness, joy and happiness, laughter and fruitfulness, all and more shall be yours from this new phase of your life and forever. Happy 21st birthday to my special person, my dearest cousin.
27. You are the best in the world, not because you are my cousin but because you have grown to be so much better and lovely at heart. You’ve been like a sister to me. Wishing you the very best today. Happy 21st birthday, cousin.
28. Happy birthday to you, dear cousin. May your life be flavoured with goodness and saturated with joy unreserved. Always know that I cherish you. Enjoy your 21st birthday dear.
29. Sure, getting lots of gifts on your birthday is nice, but no gift will ever be as great as simply having a wonderful cousin like me. Happy 21st birthday, girl.
30. I don’t know what I did to deserve such a wonderful cousin like you, but I will be forever grateful that the universe made you my family member. Happy 21st birthday, dear.
31. Happy Birthday, cousin. We have many funny and precious childhood memories that I realized would be impossible for me to pick just one as my favourite. Happy 21st sweetheart.
32. Happy Birthday to my partner in crime or, should I say, my fabulous sidekick. You always have been and always will be the best person to have by my side. I hope you have the most wonderful birthday ever today, my dear cousin.
33. You might be so annoying at times and frustrating anytime you spend the holidays at our house, but it is always exciting when announced that you are coming and you are with us love you so much, cousin. Happy 21st birthday.
34. Happy Birthday to my very own sweet cousin, just want to let you know that growing up with you has been the best and most fascinating memory; being your cousin, I will always have your back. Happy 21st Birthday, cousin.
35. So many memories with you are worthwhile. Can’t love you less, cousin. Happy 21st birthday, sweetheart.
21st Birthday Quotes for Cousin Sister
We’ve had some incredible experiences together, and I’m confident we’ll continue to do so. I’m glad we’re cousins because you’ve always made my life better, and I wish you the best today. Birthday greetings, cousin and sister! I will always love you. Grow graciously!
36. Each day of r birthday is a funny remembrance of how happy I was when we first met as cousins. You have brought so much joy and a loving bond into our midst; thank you so much. May your days of happiness never end. Happy 21st birthday, cousin.
37. We share so many sweet memories of friends, a friendship that will never end, a friendship tied with blood and love because we are cousins. So happy to have you as my cousin sister. Happy 21st birthday.
38. Many congratulations to you for completing another year. Yeah! Today is your birthday. Today you have officially become an adult. May every day of your life be filled with love, blessings, and good wishes. Happy 21st birthday.
39. Since you were born, you have brought nothing but meaning and joy into your parent’s life. You are a fantastic sister, and I am fortunate to be your cousin. Happy 21st birthday!
40. Regardless of us being cousins, I’m just glad that I know you as a person because you are cool! Birthday wishes and blessings are coming your way.
41. May you have an unusual day! Happy Birthday, Cousin!
We have shared amazing moments, and I’m sure we will continue doing so. For have made my life happier always I’m happy that we are cousins, and today I wish you the best. Happy birthday, brother!
42. Having a pretty cover like you is a lot of responsibility. I have to convince all my guy friends to stay away from you because they all have a crush on you. Happy birthday to my beautiful cousin.
43. A cousin like you is one of the best gifts I have received in my entire life. Thank you for being an inspiration and expert at exciting. May you have a fantastic birthday celebration, and may you continue to inspire more people.
44. To my favourite cousin, having you in my life is a source of joy and happiness. Happy Birthday and May all your wishes come true.
Hey cousin, may you have a fun-filled birthday celebration, and I wish you more birthdays to come.
45. To my dear cousin, remember that each birthday will mark the end of one year and signify another year’s beginning. To celebrate the gift of life and the opportunity to be with the people you love.
46. A little bird whispered in my ear, it’s your birthday today, my favourite cousin, so for you, a poem I will write on how good and smart you are. A blessing I will give to a loving and happy year.
47. Hi birthday girl, my best cousin is a year older today, I wish I could be there to celebrate this big day with you, but I wish you loads of fun and enjoyment. No dull moments for you, cousin. Have a blast. Happy Birthday.
48. The moon and stars are smiling just because it’s your day, continue to make the moon and stars shine. Happy birthday, cousin.
49. Happy Birthday, cousin, sister, and best pal. I wish you more goodness of the lord and more mercy. Your birthday wishes are surely coming to reality and will stay, trust me when I say so. Happy 21st birthday, dear.
50. Sending you kisses and hugs with lots of love because you deserve it, and even more, I wish I was there to celebrate your birthday with you. I hope you have lots of fun and enjoyment. I love you, my sweet girl. Happy 21st birthday, cousin.
51. Happy 21st birthday, dear cousin; wishing you more life and greater joy in the highest divinity of life.
52. Happy 21st Birthday to you, dear. Have a spectacular birthday, bang. I know you love parties, but today is your very own party. You are the owner of your day, so rock it and do whatever you like, order anything. Always know that I cherish you, cousin. Happy Birthday once again, sweetheart.
53. I am so lucky to share some of my life’s most wonderful childhood moments with you. I hope those sweet memories do not fade away. You are truly a remarkable person and the best cousin ever. Happy 21st birthday, I love you.
54. Nothing shall obstruct you from progressing; may you attain greater heights and achieve all your goals in life, cousin. This year will be a remarkable year for you. Happy 21st birthday!
55. Happy Birthday to my beautiful cousin; if wishes were horses, I would take you on a journey to your biggest dream ever. 21 looks good on you.
56. Nothing can stop the joy of today even the back biter and haters are not capable of stopping it for a second. It’s your day, girlfriend so enjoy it to the fullest. Happy 21st Birthday.
57. Happy birthday to my sweet potato; I’m grateful for having you as a wiser girlfriend of mine. Wishing you a happy 21st birthday.
58. Baby girl viruses are not the only contagious things; your kindness and love are contagious. And the greatest of it all is your smile, which is very contagious; I hope you keep on smiling on this day of yours. Happy 21st birthday.
59. I wish you long life and prosperity today. More years on earth, more money, good health, and success. Happy 21st birthday, cousin.
60. I pray that today all your silent wishes are answered. And may God surprise you to the fullest. He will give you the greatest gift your heart ever desired. Love you, cousin.
61. To my cousin, cheers to joy, cheers to more money, cheers to having the hubby our heart desires in the future. Happy 21st birthday.
62. Happy birthday to my beautiful cousin, who teaches me how to become a successful woman. Happy 21st Birthday, cousin.
63. Happy birthday to the woman who taught me that neat and shiny underwear is the best accessory. Happy 21st birthday, cousin.
64. I can’t forget the memories we share in school; thanks for always saving me from the bullying girls; happy 21st birthday, cousin.
65. Happy 21st today, cousin; I miss you so much. I miss everything about you, your face with that silly hair, and us joking around together; I can’t wait to see you soon. Love you so much.
Birthday Wishes for Cousin Sister Turning 21
Having a beautiful cousin sister like you takes a lot of responsibility. I need to persuade all of my male pals to avoid you because they all have a crush on you. My lovely cousin’s 21st birthday is today. It’s a lovely day to behold. More blessings to you!
66. Happy birthday to a very cute and gorgeous quality cousin. May you accomplish all of your goals and set goals in this fresh 21st season of your life.
67. To my beloved cousin, having you as part of our extended family is the best I have got y life is certainly a thing of joy and happiness to me. Happy birthday, and many happy returns to you.
68. Whenever you feel down in emotions or difficult moments, just remember to us to receive a hug and make all the pain disappear. You will always be my little cousin, no matter how much you grow. Best wishes on your 21st birthday.
69. I know being an adult can be tempting and hard sometimes, but sweetheart, is it also fun to be free from our parent restrictions? Welcome to the world of the adult. Happy 21st birthday, cousin.
70. When I am down, and my soul is weary when trouble comes, and my heart burdens me, you were there for me, cousin. And you raised
71. Happy Birthday, cousin, I know getting old is a must, but it’s not in your hands, but being happy is mostly in your hands. I know you’re a happy person, and you’re loved. May happiness never abandon you today. Happy 21st birthday, dear.
72. A wonderful life is available for everyone. We just need to know where to look under God’s guidance. I see how blessed you are today. On this special day of yours, I wish you a happy birthday, cousin.
73. Today, you are in the green light of the party because it’s your birthday. Congratulations to you. You have been the best cousin so far. Have a wonderful day and a great year. Happy 21st birthday.
74. Congratulations on becoming a bigger person than the previous year. May God bless you and keep you. May every day of your life bring new hopes for you. Be blessed, cousin. Happy Birthday.
75. Hey, lovely cousin, you are my motivation source, though I don’t have any siblings. You stood as a sibling for me. And you’ve been my best friend for life. Happy 21st birthday, beautiful.
76. Happy Birthday to my caring, supportive, loving, and protective cousin. Wishing you many more years ahead. Happy 21st, baby.
77. Birthday, girl; I wish you showers of good luck on every coming day of your life. You’ve been the best cousin so far. I wish you well in life. Happy 21st birthday, dear.
78. I won’t promise you stars and moon, girl, because I don’t even have any, but I wish you happiness and health; no matter what people say or think about you, just know that you are the best. May God continue to keep you happy like this as you start a new year. Happy 21st, dearest cousin.
79. Happy Birthday to you, Thanks to God for giving you another year of life; the most wonderful truth is that you’re not getting old; you’re just becoming more experienced. Happy 21st birthday.
80. Congrats to you on your 21st birthday. It’s a new phase in your life, and I wish you become successful in every way and may fulfil your responsibilities towards your family and society. Be blessed, cousin.
81. This year has brought you new friends and experiences, and there is still much more in store for you to learn. On this special day of yours, I pray you to fulfil all your wishes and dreams. Happy 21st birthday, cousin.
82. Legends don’t come to this earth in great numbers. They are rare. Just like you. May this day bring countless happiness and endless joy, and live with peace and serenity. Happy Birthday, cousin.
83. More money, joy, and a smile are what I wish for you on your birthday. God keep you always. Happy 21st birthday.
84. I believe that you are the equivalent of fine wine or delicious cheese. The older, the better, baby. I know you are thrilled to be another year older. God bless you, sweetheart. Happy 21st birthday, dear.
85. Happy Birthday, baby; the fresh air, the bright sunlight, the fragrant flowers, and everything is gifted to you today. May you get to lead a beautiful life ahead. Happy 21st birthday.
86. You were born into this world as a naïve and innocent soul, but today you’re stronger, kinder, and more mature than ever. May God bless you with long life. Happiest birthday to you.
87. Thank God another year has passed in your life with you in this world, you’re so awesome, cousin, and it’s a real blessing for everyone to have you in their lives. Happy birthday, girl.
88. You are starting this year with every ounce of faith in God that your prayers will be answered this year, and he will bless you with magnificent favour. More grace is upon your life, my dear. Happy 21st birthday.
89. Another birthday has come, which means another day to praise God for your life. Thank God for keeping you alive for another year and helping you cherish the greater things in life. Happy 21st birthday, cousin.
90. 21 years! Wow! Happy Birthday to you, dear; yeah, you’re the queen of your day; I hope you spend a gorgeous day full of good surprises and gifts. Happy 21st birthday.
91. Hey, sweetheart, For the past 364 days, God has kept you alive until today. And I wish God protects you more as you embark on another 364 days journey. Happy 21st birthday.
92. You’ve reached the period of your life when scrolling down to select birth year isn’t fun anymore. It feels wonderful to be someone of such importance to me. You’ve been my best friend ever since. I love you, cousin. Happy 21st birthday.
93. Happy Birthday to a living gem. Today is the day to celebrate your holy greatness. It’s that time of the year, the cake and the ice cream. It’s your outrageous birthday. Time to start the party. Happy 21st birthday, dear cousin.
94. Happy birthday to my cousin, who’s one in a million and the best of the crop. A very happy birthday to you. Heartfelt wishes to you, dear. Many more years on earth.
95. Happy 21st birthday, dear cousin; you’re so blessed that you were born today. And you were born great. I want you to know that you are a special person to me, and you’ve been the best cousin so far.
96. Happy birthday to my sweetest cousin; I wish every drawback blows off when you blow out the candle and all your wishes come true. Happy 21st birthday, dear.
97. Birthday girl, may God always bless you with peace, laughter, and happiness. Happy 21st birthday to the beautiful cousin I have. I love you, dear. Have a blast on this special day.
98. May all your dreams come through, and may you have success all through your journey of life. You are the blessing from above to your parents. And may you continue to be blessings to everyone around you. Many- many happy returns of the day, my sweet cousin. Happy Birthday.
99. I love you, cousin, because I like everything about you. Be yourself, babe. Do not change. You being around always boosts me. And I’m really glad for you today. Happy 21st birthday, dear.
100. Hey cousin, it’s your great day; I pray to almighty God to grant all your wishes. May you be blessed with every share of happiness, and may God take your sadness away. Happy 21st birthday, dear always keep smiling.
I am confident that you have been able to collect from these collections of happy 21st birthday, cousin sister.
Do well to share your thoughts on this post; they’ll be greatly appreciated. I am always here for you!
You can also tell your friends and mates to come and collect from this post to send to their sisters on their birthdays.