Your cousin’s sister is one of the most special people in your life. She’s always been there for you, whether you needed someone to lean on or just a friendly face to brighten your day. It’s her birthday soon, so take some time to think about the best way to wish her a happy one! You want it to be something heartfelt and unique since she means so much to you.

She has been such an important part of our lives, and we want to let her know how much we love her. No matter which way you choose to show your love, be sure to include some of these birthday wishes for cousin sister! They’re bound to make her smile. These Wishes provide the birthday girl with the warmth of our love and blessings.

  1. Regardless of us being cousins, I’m just glad that I know you as a person because you are really cool! Birthday wishes and blessings are coming your way.
  2. A little bird whispered in my ear, it’s your birthday today my favorite 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.
  3. Hey dear, I just want to thank you for being my partner and my companion in everything throughout my life. You are my partner in crime. Have an amazing birthday my dear cousin.
  4. Happy birthday my dear cousin sister! Fate and destiny may have decided that we’re going to become cousins, but we have proved them wrong by becoming the best of friends!
  5. I don’t care how much time passes between visits, I always feel like we were just together. I love being your Cousin! Happy Birthday!
  6. Happy Birthday. For my sweet cousin, You are all kinds of wonderful. I’m wishing you the most scrumptious and delightful birthday ever!
  7. My lovely cousin, may all the kindness you’ve given to others is returned to you a thousand fold on this wonderful day. You must have an amazing birthday.
  8. I wish you may meet the man of your dreams and he loves you every time, never leaving you alone. Beautiful birthday wishes to my cousin sister!

You can also read: Birthday Wishes For Female Cousin

Happy Birthday, Beautiful Cousin Sister:

  1. Having a pretty cousin sister like you is a lot of responsibility. I have to convince all my guy friends to stay away from you because all of them have a crush on you. Happy birthday to my beautiful cousin.
  2. To my favorite cousin, having you in my life is certainly a source of joy and happiness. Happy Birthday and May all your wishes come true.
  3. To my dear cousin, remember that each birthday will mark an end of one year and signifies a beginning of another year. So celebrate the gift of life as well as the opportunity to be with the people you love.
  4. Today is no ordinary day. A little birdy told me you are celebrating a birthday, and I hope you have a delicious cake and you like the presents you get. Starting with my wish.
  5. Happy birthday to the loveliest and most gorgeous woman in the world. You mean the world to me, dear sister.
  6. Your thoughts, views, and beliefs helped me to better understand who I am and what I want from the world. Thank you and happy birthday!
  7. When we were younger, I couldn’t figure out how we could possibly have come from the same parents, because we were so very different. Now that I’m older not only do I appreciate our differences, I celebrate them. Happy birthday!

Belated Happy Birthday for your Cousin Sister:

  1. Happy Birthday To You My Dear, Wonderful, Thoughtful And Smart Cousin sister. You Are A Great Friend, And sister. Everything Turns Out Good When You Around. I Wish You Happiness, Health And A Lots Of Blessings. I Love You So Much!
  2. Wishing You All The Best In Your Life. Remember That You Are Loved By So Many. I Care About You Very Much And I Hope That You Never Lose Sight Of What Is Really Important In Life.
  3. Congratulations On Your Birthday! Wishing You All The Best Cousin sister In The New Year And In Life. If It’s Any Consolation, I Think You Are One Handsome Dude!
  4. My Dear Cousin sister,You Are One Of My Favorite People In The Whole World. I Love You So Much That It Hurts! You Deserve All The Best In This World And I Pray For Your Happiness Every Day. Come Visit Soon.
  5. You Are The Best Cousin sister Ever!! You Mean The World To Me And I Could Never Imagine My Life Without You. I’m So Happy You Were Born And That God Sent Me An Angel Like You. Happy Birthday!
  6. There Is No One Like You. You Are The Kindest, Smartest, Most Talented Person I Know. And You’re Also The Funniest! You Are An Amazing Young Woman And I Am So Proud Of The Woman You Have Become. Happy Belated Birthday Cousin sister.
  7. I Never Would Have Dreamed That You Would Grow Up To Be So Wonderful. You Were My Age When We Met And I’m So Glad To Have Had You In My Life. I Am Proud Of You And I Love You!

Happy Birthday Cousin Sister Quotes:

  1. Your birthday is the beginning of another 365 days trip around the Sun. Let this year be full of sun, good emotions and true friends. Love you like a real sister.
  2. Good morning, cousin! It’s your birthday and I want to be the first person to wish you a HAPPY BIRTHDAY! You are my BFF and will always be. Congratulations, sweetie!
  3. Time to celebrate! I need to see you happy and how you enjoy this day. There’s nothing more special than your birthday, sweetie. So, be happy, girl!
  4. I’m so glad you are my cuz. I miss our time in playgrounds and breakfast on Sunday mornings, but a one thing is the best – I still love you the same.
  5. I’m glad I got you, my dear cousin sister. You are awesome woman and my best friend. I promise you to make this birthday special.
  6. In you I have found friend, supporter, adviser and cousin sister. You are my favorite relative. On this day I wish you to calm down and enjoy your birthday cake and drinks. It’s time to feel a real perfection. Happy birthday!

Birthday Message for Cousin Sister:

  1. Wishing you a very happy birthday dearest cousin sister, may you always shine bright like a diamond and make us proud! Love you.
  2. When I think of you, I am overwhelmed by all the love I have for you. You have been such a comfort to me throughout my life, and I wish you only the very best in everything you do.
  3. Happy Birthday, sister! May God keep showering his love and blessings on you and may we get to celebrate more happy days together!
  4. Here’s to bigger, better, and brighter years ahead. May your every wish come true this year, and may you only experience happiness and love. Happy birthday, sister!
  5. My loving cousin sister, I’m so glad to have you and you’re such a friend whom I’ll be loving throughout my entire life! Happy Birthday!
  6. Sister, you are everything I strive to be: strong, beautiful, and courageous. There is no greater compliment that I can give than to say you remind me in so many ways of our mother.

Funny Birthday Wishes for Cousin Sister:

  1. Do you know why you are my favorite sister? Because you are dumb and you don’t even know it. Happy Birthday my dear!
  2. Have I ever mentioned, how wonderful and comfortable your clothes are? No? Ups, sorry, they really are. Thanks! Happy birthday, sis, and hope your closet will always be full.
  3. You know you get the most attention, right? So what exactly is the point of a whole day dedicated to you? Anyways, happy Birthday!
  4. Cousin sister, you are much more than cousin for me. You are my inspiration and motivation because you are so bright and warm person. Let me see you super happy today because it’s your birthday! Congratulations!
  5. Wishes may come and go, but your age stays with you. Happy birthday, my sweetest granny cousin sister! Always be so positive and funny. Congratulations!
  6. May stars sing for you. May moon dance for you. May your birthday go all merry and we all wish for you. Loveliest happy birthday wishes cousin sister!

Heart Touching Birthday Wishes for Cousin Sister:

  1. Happy birthday to my beautiful cousin! I love you so much! Not only that you make me laugh, but you are simply amazing. You are my idol! Your gentle words can cheer anyone up.
  2. I want you to know that I am still as much bond with you as we were all those years ago. Happy birthday and know that no matter where we go or what we do, we will remain close to one another.
  3. A part of me feels incredibly lucky to have someone like you in my life. Birthdays are always special, but this one is really special. Happy birthday, dear cousin!
  4. My dear cousin, you deserve the best of life and I am here to help you. We’ve been through so much together and I want to tell you that I am proud of you. I hope your dreams come true! Wishing you happy birthday!
  5. Happy Birthday sis! I am so happy that God has given me this opportunity to celebrate this special day with you. I love you so much and am glad you are my cousin. May life be forever sweet for you! Happy birthday cousin!
  6. Happy birthday to the man who makes my world go round! This is an opportunity for me to thank you for everything you do for me. I cherish your relationship very dearly. May you have a very trendy birthday.

You can also read: Birthday Wishes For Male Cousin


Your cousin sister is one of the most important people in your life, and you want her birthday to be special. You may not know what to get her, but we have some ideas that will show how much you care. A heartfelt card and a delicious cake are always appreciated, but if you want to go above and beyond this year, consider one of our suggestions.

Emma Avery
I'm Emma Avery, the woman behind Pippalee. I’m a professional blogger with an interest in all things music-related. I aspire to help others find their best musical match by providing them with the best information possible! I was writing for over 21 years. And strives to provide you with the best content possible related to Musical Instruments. I love all things musical and am obsessed with anything that can make noise! I also really enjoy spending time outdoors in nature, playing sports, reading good books, and watching scary movies. Just hoping you enjoy reading what we have to say! I started this website in 2009. When I was a kid, my mom would take me to music lessons and we would buy all the sheet music there. That’s when it first dawned on me that not everyone has access to musical instruments This is where Pippalee comes in: and provides you with quality content about Musical Instruments so you can learn more about them and see which ones are right for you!