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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 have given the GCU name to more than a few of people to whom I have sent your cards. I should be getting a commission for the business I send your way. EVERYONE loves your cards.”
Kathleen - Masonic Home, Kentucky - Nov 2nd, 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: 4,861 Pages: 163
Most Popular Newest Show adult cards
97th Birthday for Sister, Pearls and Petals card
To my sister, happy birthday, bunting & cupcakes c…
Happy Birthday,For Sister, cat, cake and candles, …
Sister 11th Birthday with Crown and Gold Look Dots…
To my sister happy birthday pink anemone flowers c…
Sister 14th Birthday with Crown and Gold Look Dots…
Sister 15th Birthday with Crown and Gold Look Dots…
Sister Birthday Beautiful Stylized Flowers in Teal…
Sister, Happy Birthday, Beautiful Choices, Humor c…
Birthday for Sister-old rag doll with red heart ca…
Happy Birthday Sister - Colorful Flowers card
Happy 12th Birthday to Sister Fairy Rabbit Fantasy…
Custom Happy Birthday Birthday Song card
Happy Birthday Sister vintage print with hearts an…
Sister Happy Birthday Cupcakes Pattern card
Best Sister Ever 88th Birthday Typography in Pink …
To Sister on Birthday Bird on Fence with Sun card
40th Birthday,Sister,Purple Helebore Flower card
Sister 9 Year Old Birthday Gamer Controller card
Sister, 18th Birthday - Girl in Hat with Decorativ…
100th Birthday Sister with Pink Fizz Bottle Glass …
2nd Birthday Little Sister Unicorn Sitting On Rain…
Happy 48th Birthday, Sister, Monarch Butterfly car…
Sister Birthday Sending Sunshine Your Way card
Sister Birthday card
Happy 41st Birthday Sister with Typewriter, Chicka…
Birthday For Big Sister Stepping Out In Style card
Happy Birthday to my Wonderful Sister card
For Sister on Birthday Lotus Fairy Fantasy Waterco…
19th Birthday for a Special Sister, Magnolia Bloss…
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