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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 recently had an appointment with my doctor. She was tearful during the exam. The office help noticed and I chimed in. She began telling her story to me and I sent this card to cheer her up. I liked the inside message and front picture. I felt so happy. I was able to send this card to cheer her up a bit. She was going through a rough time personally. The card fit the situation. Paul Safran”
Paul - Camarillo, Ca. - Nov 1st, 2026
“I like that I can have a theme for Christmas this year snowmen (or snowpersons) last year it was trees. Can't remember the other years. Thank you for making it so easy to order.”
Phyllis - Nov 4th, 2026
Cards per Page:
Cards: 4,857 Pages: 162
Most Popular Newest Show adult cards
96th Happy Birthday Sister, Magnolia Blossom card
Happy 92nd Birthday to a Special Sister, Orange fl…
Sister, 27th, Happy Birthday, Mason Jar, Flowers, …
Best Sister Ever 33rd Birthday Typography in Pink …
Happy 77th Birthday Sister with Typewriter, Chicka…
Happy Birthday for my big Sister, Pink Lupine flow…
Birthday for Sister Nigella Love in a Mist Pastel …
Sister, 83rd, Happy Birthday, Mason Jar, Flowers, …
Happy 91st Birthday to a Special Sister, Orange fl…
Sister, 87th, Happy Birthday, Mason Jar, Flowers, …
Sister 83rd Birthday Pink Teacup with Lily of the …
Sister 89th Birthday Pink Teacup with Lily of the …
3rd Birthday, Sister, Happy Dog, Party Hat card
Sister Yummy Birthday Fun Cupcakes card
Sister, 102nd, Happy Birthday, Mason Jar, Flowers,…
Sister, Happy Birthday cute fairy dancing card
Happy Birthday Sister, Rhinoceros card
Sister 94th Birthday Pink Teacup with Lily of the …
Sister Happy Birthday Party Monsters card
Best Sister Ever 51st Birthday Typography in Pink …
Happy Birthday for Sister Turtle with Basket of Fl…
Happy Birthday, Sister - Happy Angel Card
Sister Birthday Yellow Daffodils in Vase card
Happy 64th Birthday, Sister, Monarch Butterfly car…
Happy 17th Birthday Sister with Typewriter, Chicka…
63rd Happy Birthday Sister, Magnolia Blossom card
Happy 21st Birthday Sister with Typewriter, Chicka…
Best Sister Ever 67th Birthday Typography in Pink …
Happy 95th Birthday Sister with Typewriter, Chicka…
Happy 99th Birthday Sister with Typewriter, Chicka…
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