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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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Birthday (187,261)
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Shopper Testimonials
“Fantastic! Love that I can personalize to specific events and Birthdays!”
Linda - Aug 23rd, 2025
“The card arrived promptly and I was very pleased with the results.”
Lisa - Aug 26th, 2025
Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
Happy 99th Birthday or a Stunning Sister, Purple A…
Happy 39th Birthday or a Stunning Sister, Purple A…
Happy 10th Birthday to My Sister Party Cake card
Happy 5th Birthday to My Sister Party Cake card
Hey Sister, its Your 23rd Birthday, Sea Shells and…
Happy 98th Birthday or a Stunning Sister, Purple A…
Happy 38th Birthday or a Stunning Sister, Purple A…
Sister Happy August Birthday Purple Poppy card
Happy 19th Birthday to a Wonderful Little Sister, …
Birthday To Sister, Raccoon smiling with pearly wh…
Sister, Little Garden Fairy With Flowers card
Sister - Happy Birthday to Your Favorite Firefight…
Happy 32nd Birthday, Sister, Monarch Butterfly car…
Hey Sister, its Your 22nd Birthday, Sea Shells and…
Happy 97th Birthday or a Stunning Sister, Purple A…
Happy 37th Birthday or a Stunning Sister, Purple A…
For a Sweet Sister on Her 20th Birthday, Starfish …
Happy 28th Birthday for a Sister, Rudbeckia flower…
Happy Birthday Sis, Bright Tropical Flowers on pol…
Happy 31st Birthday, Sister, Monarch Butterfly car…
Hey Sister, its Your 20th Birthday, Sea Shells and…
Happy 96th Birthday or a Stunning Sister, Purple A…
Happy 29th Birthday for a Sister, Rudbeckia flower…
Happy 30th Birthday, Sister, Monarch Butterfly car…
Hey Sister, its Your 90th Birthday, Sea Shells and…
Happy 35th Birthday or a Stunning Sister, Purple A…
Happy Birthday to Big Sister, Clown Fish with Ging…
Hey Sister, its Your 89th Birthday, Sea Shells and…
Happy 34th Birthday or a Stunning Sister, Purple A…
Happy Birthday Sister, Butterfly card
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