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Birthday Cards for Sister

Browse our collection of birthday cards for sisters! What relationship in your life is more special than the one you share with your sister? No matter what stage of life you are both in, whether she is older, younger or even a twin, we have the perfect card to express your heartfelt birthday wishes. Our birthday cards for sisters cover the gamut from sweet and sentimental to funny and sarcastic.

We offer cards for milestone birthdays, pretty cards, sentimental cards, trendy cards, humorous cards and cards that can be customized to say just what you want. You can even add a picture to make your card truly one-of-a-kind. Don't settle for another generic card off the rack, create a personalized card that she'll cherish as a keepsake for years to come! Once you find the perfect birthday card for your sister, we'll print and mail it the next day! 		Birthday Cards for Sister

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Shopper Testimonials
“I love every card I order from Greeting Card Universe! Why? Because you can find a card for everything you may need. I first discovered them in 2016 when I needed a card for my daughter's PHD graduation. I was able to design one with her actual picture. All her friends asked where I had gotten it! I have ordered since then! Quality is EXCELLENT! You can personalize anything! I even sent a thank you to one of my doctors who went above and beyond! He was so surprised he showed it to everyone on his staff! Great company!”
Elvira - Nov 1st, 2026
“Darling card and very appealing to a young child. Quality card with nice envelope.”
JUDITH - Nov 2nd, 2026
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Cards per Page:
Cards: 4,840 Pages: 162
Most Popular Newest Show adult cards
For Sister on 50th Birthday Custom Petunia Rose Wr…
Sister Birthday You’re Lucky I’m Your Sister Life …
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For Sister Birthday White Dogwood Pair Spring Flow…
44th birthday for sister, pearls and petals card
48th birthday for sister, pearls and petals card
49th birthday for sister, pearls and petals card
Elegant White Swan Pastel Art Custom Birthday for …
Happy Birthday for Sister Funky Monkey and Banana …
29th Birthday, Sister, Pink Rose card
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80th Birthday Sister with Pink Fizz Bottle Glass a…
Birthday, sister, bench & flowers card
90th Birthday Sister with Pink Fizz Bottle Glass a…
Happy 39th Birthday for a Sister, Rudbeckia flower…
Birthday Sister Blue Flowers card
Birthday, Sister, Fuchsia Rhododendron Flowers on …
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday for a Sister, Red Dahlia card
Happy 42nd Birthday to a Wonderful Little Sister, …
Happy 78th Birthday, Sister, Monarch Butterfly car…
Coloring bithday sister card
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Cute Golf Theme Birthday Happy Birthday Sis card
Birthday Sister - Colorful Flower card
Sis Happy BIrthday - Vintage card
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Sister 12th Birthday with Crown and Gold Look Dots…
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