100+ Thoughtful Quotes to Say "Happy Birthday, Sister"

Best friends hugging and a happy birthday sister quote.

If you have a sister, you know the deal. No matter how much you fight or argue, at the end of the day, she’s still your best friend. Whether you are the younger one or the older one you can likely always count on your sister to cheer you up or make you laugh. 

That’s why your sister’s birthday is like a holiday, and it’s important to treat her like the queen she is. Read on for our list of birthday quotes that say “Happy Birthday Sister!”

Messages for:

    Birthday Messages for the Sister / Best Friend

    Who says that a best friend has to be someone you met at school or at work? Sometimes your best friend is your sister that grew up right beside you. No matter what, the two of you have stuck together, side-by-side, from the first second you met. Not sure how to tell your sister/best friend- Happy Birthday? Check out some fun ways below!

    • “A sister is your first best friend. They listen to you when no one else does, they make you feel good about yourself, and they’ll always be there for you no matter what happens.”
    • “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.”
    • “Sisters touch your heart in ways no other could. Sisters share… their hopes, their fears, their love, everything they have. Real friendship springs from their special bonds.”
    • “Having a sister is like having a best friend you can’t get rid of. You know whatever you do, they’ll still be there.”
    • “Sisters are best friends, they are advisors, they are teachers, and best of all they are people with who you can talk with about anything – someone you have a special bond with!“
    • “You are my sounding board, my confidante, my keeper of secrets – and my best friend.”
    • “There is no better friend in this world than a sister, and no sister in the world is better than you.”
    • “We are so close that we finish each other’s sentences and often wonder who’s memories belong to who.”


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    • “We start our sentences with “remember when” and end our days with a chat on the phone. As children, we fought and argued over everything, but as adults, we are the very best of friends. You are the one person I have always been able to count on and I love you more with each year that passes.”
    • “The best advice my mother ever gave me: ‘Be nice to your sister. Your friends will come and go, but you will always have your sister. And I promise that someday she will be your best friend.”
    • “I wish all sisters could be like you so that people could understand how great siblings can be! But I want to keep you all to myself, sis. I love you too much to share you!”
    “Sisters do not need any words to express love. Their secret language is all about eye-rolls, sighs, sniffs, winks, and smiles.”
    • “You have always been my greatest role model, my inspiration, my heroine. I wish you a Happy Birthday, Sis!”
    • “A sister is your first best friend. They listen to you when no one else does, they make you feel good about yourself, and they’ll always be there for you no matter what happens.”
    • “I learned a lot of things by having you as my sister: how to sneak out, how to talk to boys, how to outmaneuver our parents, how to put on makeup, and how to cut my own bangs. The most important thing you’ve taught me though is how to love unconditionally.”
    • “BFF means Best Friends Forever but do you know what SBFD means? It means Sister but Best Friend in Disguise. Happy Birthday, #SBFD.”
    • “Sisters are more precious than anything. Thanks for always being my best friend and role model. Happy Birthday."
    • “I could ask for no greater friend than you. You comfort me, protect me, encourage me, and love me. In short: you are everything to me. Happy Birthday to my bestie for life!”
    • “Happy Birthday, sister. You are so special in my life, not only for being my family, but also for being one of my best friends. Without you I would have not made this far.”

    Birthday Messages for the Sister Who is Always There For You

    For all the highs and lows, maybe your sister is the one who has always been there for you. Whether you're crying into her arms after your first break up or celebrating a new job offer over cocktails, she's right by your side to make things better. 

    To wish this type of sister a happy birthday, say something from your heart. Need ideas? Try out some of these quotes…

    • “A sister is a gift to the heart, a friend to the spirit, a golden thread to the meaning of life.“
    • “You are my steadfast friend, my support when I am weak, and my cheerleader when I am discouraged. I can't imagine life without my best friend, my confidante, my sister.”
    • “But the love of sisters needs no words. It does not depend on memories, or mementos, or proof. It runs as deep as a heartbeat. It is as ever present as a pulse.”
    • “You are a jewel, a priceless, one of a kind gem who makes living precious for many people, including me.”
    • “Sister, I've seen your strength all my life, and I will never stop believing you can slay dragons if you wish to.”
    • "We have our own unspoken language--a look that makes one of us fall on the floor laughing or the slight inflection in our voice that conveys everything. Someone who sees you exactly as you are and thinks that is enough."
    • “You are my partner in crime, my midnight companion, someone who knows when I am smiling even in the dark.”
    • “The greatest gift our parents ever gave us was each other.”

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    Tuck your message for the sister that has always been by your
    side, into a gift she can hold close to her always.

    • “We may be as different as the sun and the moon, but the same blood flows through both our hearts. I need you, as you need me.”
    • Life has its ups and downs, times of sadness and times of joy. You, little sister, have been through it all with me, thanks for being there.”
    • “Sisters are like angels. They sparkle, twinkle, and glow, and they are the greatest gift our hearts will ever know.”
    “One’s sister is part of one’s essential self, an eternal presence of one’s heart, soul, and memory.”
    • “Sister, you were the one I always told on, now you’re the friend I always lean on.”
    • “A sister is someone who loves you from the heart. No matter how much you argue, you cannot be drawn apart. She is a joy that cannot be taken away. Once she enters your life, she is there to stay.”
    • “You’re the best sister a person could ask for. You’ve always been a shoulder to cry on in trying times, and someone I want by my side for every victory and milestone. I love you!
    • “Be strong, be fearless, be beautiful. And believe that anything is possible when you have the right people there to support you.”
    • “My best friend and mentor has grown a year older today. Wishing you a very happy birthday, sis.”
    • “Sisters are one of life’s greatest gifts. They are shopping buddies, gal pals, confidantes, therapists, mothers, yoga partners, and manicurists all rolled into one. Happy birthday to my sister who plays so many roles in life.”
    • “Sis, for all the times you defended me when we were kids and consoled me as an adult, know that I am truly thankful. I could ask for no better champion in life than you. Happy birthday!”
    • “No one gets me quite like you. Wishing you a happy birthday filled with love and good fortune!”
    • “You are such a strong, smart, and sassy woman. I value your opinion now just as much as when we were kids. You are everything I aspire to be in life. Happy Birthday!”

    Birthday Messages for the Sister Who Lives Far Away

    Maybe you grew up with your sister being just a bedroom away, and are now feeling nostalgic of those days. You may not be able to talk or see each other every day anymore, but that doesn’t mean you aren’t able to celebrate your sister. 

    Sometimes a small message goes a long way, and here are some to tell your sister how much she means to you on her birthday when you can’t be there physically.

    • “When traveling life’s journey, it’s good to have a sister’s hand to hold onto.”
    • “True sisters stay with you no matter the distance or time that separates you from them.”
    • “The distance doesn’t matter; it’s the heart that’s important. It’s not the miles between us that count, but the love that holds us together.
    • “In life, people will come and go. Friends change as swiftly as the weather. But I always know that my sister will be here forever.”
    • Sisters are always connected at the heart even if they’re miles apart.”
    • “Our paths may change as life goes along, but the bond between us remains ever strong.”
    • “Distance means so little, when someone means so much.”
    • “Absence makes the heart grow fonder, but I’m always wishing you were closer.

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    Make your sister’s Birthday memorable by sending her a message
    she’ll hold close- especially tucked into one of our lockets

    • “I might not always be by your side, but I will always have your back. I might not always be there to wipe your tears, but I’ll always be there to dry them
    • “Distance is just a test to see how far love will travel.”
    • “I exist in two places, here and where you are."
    “Distance may separate us but it will never break the bond of our love. Stay strong and make the most of your new adventure!”
    • “Sisters are like two sides of a coin; even if we’re far apart, we’ll always have each other’s backs. Just remember that no matter how far away we are from each other, our bond is unbreakable and nothing can ever change that.”
    • “We may not meet for months or talk for weeks but when we’re in the same space, it feels like nothing ever changed.”
    • “Distance may separate us but it will never break the bond of our love. Stay strong and make the most of your new adventure!”
    • “Although we are miles apart now, it doesn’t mean our relationship has changed in any way—just because we won’t be able to hug each other every day doesn’t mean my love for you has gone away!”
    • “It feels weird that we aren’t celebrating your birthday together. But I know you’re away for a greater cause. Happy birthday, darling sister. I love you.”
    • “Sister, despite the distance between us, I love you more than words could ever express. We may not talk every day, but know that I cherish you and more so on your birthday.”
    • “It might be sad that distance is keeping us so far away from each other, but I always have you close to my heart and take comfort in the fact that I’ll see you soon. I wish you rains of joy and laughter as you celebrate your birthday, sister!”
    • “Although I’m not there to celebrate with you in person, wishing you a mash-up of joy, happiness and laughter throughout your life.”
    • “May your face be brightened with smiles on your birthday, even in my absence. Remember that there is nothing in this universe that I love more than you. Happy birthday, sweet sister!”

    Birthday Messages for the Funny Sister

    What’s better than having a sister with a good sense of humor? She keeps you hysterically laughing and you can always count on her for the funniest jokes and expressions. Most of the time, you can’t even compete with her humor. If you want a birthday quote that will make her laugh, one of these might do the trick! 

    • “We are sisters by chance, but friends by choice.”
    • “Sisters like you are diamonds. They sparkle, they are priceless, and they are truly a woman’s best friend.”
    • “A sister smiles when one tells stories—for she knows where the decoration has been added.”
    • “We bonded over games, late-night movies, pillow fights, and making fun of Mom and Dad. I can't imagine life without you, dear sister. I love you more than words could ever express.”
    • You and I are sisters. Always remember that if you fall, I will pick you up … after I finish laughing.”
    • “You have always been my partner in crime, but you are going to have to do this getting older thing, all by yourself. Happy Birthday!”
    • “When you have a sister, you never truly forget the past. If you do, she'll be happy to remind you of all your stupidest mistakes.”
    • "For your birthday, I wanted to give you something that was absolutely wonderful, but then I remembered you already have me."

    Jewelry deco heart locket slightly opened to show a fortune message dedicated for a sister on her birthday.

    Return all the good times and laughter by writing your own joke
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    • “I’m not just a sister. I’m a big cup of wonderful, covered in awesome sauce with a splash of sassy and a dash of crazy.”
    • “What are sisters for if not to point out the things the rest of the world is too polite to mention.”
    • “There is no problem that sisters cannot confront, combat, plot against, ignore, make fun of, drown in chocolate sauce, or run over with the car.”
    “You have always been my partner in crime, but you are going to have to do this getting older thing, all by yourself.”
    • "When a man has a birthday, he takes a day off. When a woman has a birthday, she takes at least three years off."
    • “Sister, being related to Me, is the only gift you need.”
    • “Sister to sister we will always be, a couple of nuts off the family tree.”
    • “There are some people in life that just drive you crazy. Yet you still find that you love them. We call them sisters. Happy birthday!”
    • “You have always been my partner in crime, but you are going to have to do this getting older thing all by yourself. Happy birthday.”
    • “Happy b’day to the most stylish girl I know—you’ll always be a head turner."
    • “Wait! You’re how old!? Excuse me, I need to go see a therapist. You just reminded me how old I am. Happy birthday, little sister!”
    • “Sometimes you drive me crazy, but I promise I do love you! Happy birthday my cute little sister. Life just wouldn’t be the same without you!”
    • “A birthday cake is always good, but to me, a sister with a birthday cake is undoubtedly great. Happy birthday, sister.”

    Birthday Messages for the Adventurous Sister

    Maybe your sister always has fun ideas, constantly tries new things, and loves to travel. An adventurous sister is always exciting to be around and she keeps life interesting. To say Happy Birthday to this type of sister, you need to make it big!

    Here are some of our favorite quotes that are the perfect way to say “Happy Birthday Sister!” for one that’s filled with adventure.

    • “We are sisters by chance, but friends by choice.”
    • “Sisters like you are diamonds. They sparkle, they are priceless, and they are truly a woman’s best friend.”
    • “If I could give you just one thing in life, it would be the ability to see yourself through my eyes, only then would you realize how special you are to me.
    • “Big sisters are the people that teach us about life. They teach us what it means to be kind and caring, to be fair, and to know we will not always be right. They teach us about teamwork, conflict resolution, and most importantly they teach us what it is to love and be loved.
    • “When life’s hills become too steep to climb on my own, you take my hand and remind me that I don’t have to climb it alone.”
    • “I am so blessed to call you my sister. Since I was born, your love, patience, and kindness has guided me through. I know some days, that was not easy, but you always showed up and did your best. I have always felt your love. And for that I am forever grateful. You truly are the most wonderful sister I could have ever wished for.
    • “You know full well as I do the value of sisters’ affections; there is nothing like it in this world.”
    • “One’s sister is part of one’s essential self, an eternal presence of one’s heart, soul and memory.”

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    • “We are sisters. We will always be sisters. Our differences may never go away, but neither, for me, will our song.”
    • “The only thing better than having you as my sister is my children having you as their aunt.”
    • “My childhood memories are full of laughter and fun because of you, my dear big sister! I can’t believe we’re getting older and those times seem like forever ago. Here’s to your bright future—may it sparkle with joy and delight!
    “Throughout the years- tears and smiles have been a part of our journey. Thank you for the way you have encouraged and inspired me along the way.
    Love you sister!”
    • “I know you have been through so many hard times, but you never gave up. You are my idol and the strongest woman in this entire world. You have such a positive approach to life.”
    • “Over the years we may have had disagreements and petty fights, but that’s just what sisters do. We’ve also had deep discussions and loving moments. I’m glad I have such a wonderful sister who keeps my life real and never boring.”
    • “I know you have been through so many hard times, but you never gave up. You are my idol and the strongest woman in this entire world. You have such a positive approach to life. Wishing you a Happy Birthday.”
    • “Wishing the Happiest Birthday to the world’s coolest sister. Thanks for always letting me tag along, and being there when I need you.”
    • “I can’t imagine being on this journey through life without a sister as cool as you. Thank you for everything. Happy Birthday!”
    • To my sister on your Birthday: May your special day be every bit as magical and wonderful as you.”
    • “Happy Birthday to my awesome sister! I’m so proud of all you’ve accomplished. Thank you for being such a great example.”
    • “Happy Birthday, sister! Growing up with you has been the biggest adventure of my life. I love you so much.”





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    Allie Berloco

    Allie Berloco is a writer for Fortune & Frame. She graduated from Marist University with a double major in Media Studies, TV & Film Production and Communications, Journalism. She's sown here in her official Harry Styles fangirl outfit after seeing him perform live on the Today Show in NYC.

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