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The bond between an older sibling and a little sister is like no other. After all, you’ve known her since the moment she was born. So if she’s about to celebrate another trip around the sun, sending her one of the best birthday wishes for your little sister is a great way to show her how much you care.
Not all of the little sisters in our lives are biological ones. These heartfelt birthday wishes are also great to send to a sister-in-law or even a friend who feels like a sister. Some are funny, some are heartfelt, and some are motivational quotesbut they all pay tribute to a meaningful relationship.
The next time you’re looking for the perfect message to write in a card or alongside a gift for your sistertake a look at this list. These messages and friendship quotes also make great Instagram captions, or you can even text them to her when you want to let her know how much she means to you. Ahead, find thoughtful, witty birthday messages for your little sister that will bring a smile to her face.
Thankful birthday wishes for little sister
Table of Contents
- I loved you at five and I’ll love you at 50. Happy birthday, sister!
- Happy birthday to the person who’s been there with me since day one. I love you!
- I am the luckiest person on the planet to get to call you my sister. Happy birthday to my favorite person in the world!
- As you celebrate another year, I hope you know how grateful I am to have you in my life every single day.
- I hope all your wishes come true when you blow out your birthday candles. You deserve the best!
- Wishing the world’s most amazing sister the best birthday ever. You deserve to be celebrated today and every day.
- I’m forever grateful that we have such a strong bond to this day. Cheers to this birthday and all the future celebrations we’ll have together.
- You light up every room you enter and bring positivity into everyone’s life. I’m so lucky to not only know you but be your sister and be so close to you.
- Happy birthday to the sister who lets me cry on her shoulder and always makes me laugh. You deserve the best celebration ever.
- I’m so grateful to have grown up with you. I have you to thank for some of the happiest memories of my life and I know we’ll make many more. Happy birthday!
- I love you to the moon and back. Happiest of birthdays to a sister that’s made my life so special.
- There is no better friend than a sister, and there is no sister in the universe better than you.
- I hope your day is as bright, beautiful, and lovely as you are. Wishing you the happiest birthday of all.
- As you blow out your candles and make your birthday wishes, I hope you are granted all of the grace and kindness you’ve put into the world.
- Thank you for always being by my side and making this life such an incredible adventure. I can’t wait to continue to make more beautiful memories together.
- I don’t know what I would have done without you by my side all these years. You brighten my world and I am so grateful for you.
Funny birthday wishes for little sister
- This is your yearly reminder that I know all your secrets, so I deserve the biggest slice of cake!
- I know I’m the favorite child, but we can pretend you are today on your birthday!
- Your birthday gift this year is the gift of my presence. Happy birthday, sister!
- Happy birthday to my favorite sibling. Yes, I know there are only two of us!
- Your birthday wishes as a kid must have come true since you have me for a sibling.
- Our parents learned from their mistakes after raising you, but at least you have an awesome sibling!
- I got the best birthday present ever: Me!
- Wishing Mom and Dad’s favorite child a great day. Oh, and I hope you have a good day too.
- Don’t worry about the past or future, but the present…I forgot about that one. Happy birthday, though!
- Happy birthday to the girl who thinks she’s the funny one in the family. Now that’s funny.
- I’m just here for the cake, but happy birthday!
- Hey, want to do me a solid and cut me the biggest slice of cake? Thanks, sis.
- I’m telling everyone that you said my gift was the best present you’ve ever received. Figured I’d give you a warning.
- One in five people gets money in their birthday cards. Happy birthday, number five.
- They say age is just a number. In that case, let’s party like it’s [the year she was born]!
- I take comfort in the fact that if I get into a fight with our parents, I can always blame you. Thanks, sis! Happy birthday.
- A birthday is just a yearly reminder of how long you’ve been awesome!
- With age comes wisdom…which explains why you’ll never be as wise as me. Happy birthday!
- I smile because you’re my sister. I laugh because there’s nothing you can do about it.
- They say you’re supposed to get wiser with age. Don’t worry, there’s always next year.
- Don’t get too close to the cake—we may need a fire extinguisher to put out all those candles.
- Having a sister is like having a friend you can’t get rid of. Trust me, I’ve tried…
- I’m sorry I called you old…I really thought you knew!
Heartfelt birthday wishes for little sister
- I love watching you grow up year after year. Cheers to more birthdays to come!
- Just because you’re growing up, don’t forget who’s the older sibling!
- Happy birthday to the girl who always takes my clothes. For my birthday, can my present be everything you stole from my closet?
- I hit the jackpot getting you for a sister.
- For years I used my birthday candles to wish to get a sister until you came along. So, you better use some wishes on something good for me!
- Whenever I’m feeling down, you’re always there to light up my day and tell a funny joke. Happy birthday, little sis.
- I hope your birthday is filled with happiness and fun. You deserve the world!
- Every year, I tear up a bit knowing you’re getting older. To me, you’re just my little sister!
- Happy birthday to my little sister. You may steal my clothes, but I’ll allow it because I love you.
- I know you’re getting older, but you’re still little in my eyes. Happy birthday, and please stop growing!
- Happy birthday! Don’t worry about getting older, you’ll always be younger than me.
- Watching you grow into the beautiful young woman you are has been my biggest gift. Happy birthday.
- May your birthday be as extraordinary and beautiful as the day I first met you. I love you.
- You have grown into such a remarkable person, and I am so lucky to know you and to love you.
- To my little sister with the biggest heart: Happy Birthday!
- You may be the younger sister, but you inspire me every day with your grace and wisdom.
- Happy birthday! Another year and you’re only getting sweeter.
- Saying you’re the best sister in the world is just scratching the surface. Happy birthday!
- Friends may come and go, but sisters are forever. Happy birthday!
Meaningful birthday wishes for a little sister
- Thank you for always being there for me. My life got better the moment you were born.
- I remember when you were just a kid. I just want time to slow down. Happy birthday!
- I’m so grateful to have a sister like you to walk with me through life. Happy birthday!
- You’re catching up! Happy birthday, lil sis.
- Happy birthday to my younger sister! I was from there from the start, and will always be there for you.
- You’ll always be my biggest inspiration. Happy birthday!
- You’ve been there for me for most of my life and I am so grateful for it. Wishing you an amazing birthday, little sis.
- Happy birthday to the person who inspires me to be confident and keep pushing through all of life’s battles.
- You’ve always wanted to do what I did and wear what I wore, but the truth is I felt the same. Even though you’re younger, I’ll always look up to you. Happy birthday!
- Happy birthday to my biggest mentor in life. I love you!
- We’ve celebrated tons of birthdays together, but I never get sick of it. Love you!
- We may fight sometimes, but I’ll always love you. Happy birthday, little sis!
- I hope you have the best day ever—we both know you’ve helped me live some of the best of mine. I love you!
- From being my pretend baby when we were kids to my best friend as adults, you’ve been nothing but the best to me. I wish you nothing but happiness for this special day and every day.
- I am so happy that our bond only continues to get closer over the years. I can’t wait to make more memories!
- My childhood was incomplete before you came along. Happy birthday to the person who deserves it the most. Love you, sis!
- You have been a shoulder to cry on when I was sad, a voice of reason even when I didn’t want to hear it, and above all else, a friend forever. Nobody deserves a happier birthday than you.
- No one knows me like you and no one ever will. Happy birthday to my first and forever friend.
- No matter what life throws my way, I know I can always count on you. Happy birthday.
Quotes for a birthday wish
- “With each birthday, you get to decide whether to mark it as the end of your greatest days or the beginning of your finest hours.” –Oprah Winfrey
- “Today is the oldest you have been, and the youngest you will ever be. Make the most of it!” – Nicky Gumbel
- “To have a loving relationship with a sister is not simply to have a buddy or a confidant, it is to have a soulmate for life.” –Second Victory
- “My baby sister…I love you…you are and have always been my original bestie…my partner in crime, my ride or die. The one who has always celebrated me in the good times and encouraged me in the tough ones,” –Jennifer Lopez
- “She is … the mother I never had. She is … the sister everybody would want. She is the friend that everybody deserves. I don’t know a better person,” –Oprah Winfrey on Gayle King
- “I do not see as well without her. I do not hear as well without her. I do not feel as well without her. I would be better off without a hand or a leg than without my sister.” ―Erin Morgenstern, The Night Circus
- “The best thing about having a sister was that I always had a friend.” —Cali Rae Turner
- “She’s always there for me when I need her. She’s my best friend. She’s just my everything.” —Ashley Olsen
- “Sisters make the best friends in the world.” —Marilyn Monroe
- “Don’t talk about my sister; don’t play with me about my sister. If you do, you’ll see another side of me.” —Beyoncé
- “You’re not my best friend. You’re my sister, and that’s more.” ―Jenny Han, P.S. I Still Love You
- “Sister. You are not only a strong woman, you are the strongest tie to the best years of my life.”—Melanie J. Pellowski
- “During life’s highs and lows, hurts and happiness, a sister is always there.”—Catherine Pulsifer
- “A sister is not just a sibling; she is a piece of your heart walking outside your body.” —Unknown
- “I could never love anyone as I love my sisters.” —Amy, Little Women
- “You know full well as I do the value of sisters’ affections; there is nothing like it in this world.”—Charlotte Brontë
Birthday wishes for someone who’s like a sister
- You are my chosen family, and I’m so grateful to have you in my life. Happy birthday.
- Family is not always bound by blood. We may not be related, but you are more of a sister to me than anyone in the world. Happy birthday!
- Thank you for welcoming me into your family. I’ve always wanted a loving sister, and now I can confidently say I have one. Love you!
- You’re more than a best friend to me, you are a sister. Happy birthday to my favorite person in the world.
- We may not have come from the same womb, but our bond is so strong we may as well have. Happy birthday!
- You know how they say you become like your friends if you spend a lot of time with them? Well, we’re practically twins at this rate.
- I’m so proud to tell people that you’re my best friend, but the truth is, you are more than that. We have a sisterly bond and I’ll be with you forever and always!
- On this day, many years ago a wonderful human being was born. And that person was my dear friend who turned into my sister. Happy birthday!
- Thank you for being you. Happy birthday to the sister I never knew I needed.
- You’ll always be my first call, and I wouldn’t want it any other way. Happy birthday to you!
- Happy birthday to the chosen sister who makes every day brighter. Love you more than you know!
Birthday wishes for a sister-in-law
- I’ve wanted a sister for my entire life, and I couldn’t have asked for a better one than you. Best wishes!
- I know you have a kind heart because not a lot of people would choose to join this crazy family! Now, you’re one of us!
- Happy birthday to the newest—but best—member of the family!
- You make holidays and family parties so much better, so I hope we can make your birthday party the best one yet!
- I hope this next year brings you as much love and joy as you bring us!
- You bring so much love and light into our family. Happy birthday to my amazing sister-in-law.
- Thank you for loving my sibling the way that you do. Happy birthday, sister-in-law!
- People always talk about having terrible in-laws. They must not have been referring to the sisters! Happy birthday.
- Wishing the most incredible sister-in-law a year filled with success, smiles, and spontaneous adventures!
- Cheers to another year of enduring my sibling! Happy birthday, my sister-in-law!
