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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 (191,703)
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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 liked the design and thoughtful message that expressed the sentiment that I wanted to send. Cards arrived promptly and I like the option to personalize some of the cards.”
Doris - Nov 2nd, 2026
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
81st Happy Birthday Sister, Magnolia Blossom card
Custom Age For Sister With Bunting and Pink Flower…
Birthday For Big Sister Mini Skirt And Heels card
Happy Birthday Little Sister, Simple White Lily Bo…
Happy 93rd Birthday Sister with Typewriter, Chicka…
Pumpkin Trio Sister Birthday card
For Sister 13th Birthday with Primrose Flowers and…
Happy 45th Birthday Sister Garden Bouquet card
95th Birthday, Sister, with Magnolia card
100th Birthday,Sister,Purple Helebore Flower card
Humorous Sister Birthday To A Girl Who Has An Awes…
Happy Birthday Sister with Colorful Collage Butter…
Sister Birthday Teddy Bears with Cake Presents and…
Sister Birthday Divided Bouquet card
Birthday for Little Sister from Brother with Drama…
Add a picture,Sister age 85, with pink rose and je…
Crazy Cat Purse Birthday Sister card
Day Lily Happy Birthday for Sister card
Birthday Sister, Pink Delicate Flowers with Beaded…
50th Birthday to Sister, Hot Dog with cute face, g…
Birthday For my Little Sister Who Gives The Best i…
Wishes for a Happy Birthday for a Sister, Kauai, H…
Custom Name For Sister Basketball 6th Hoopy Birthd…
Birthday Heart of Flowers for a Sweet Sister on he…
Happy 81st Birthday or a Stunning Sister, Purple A…
Happy 100th Birthday to a Special Sister, Orange f…
Happy 81st Birthday to a Special Sister, Orange fl…
100th Happy Birthday Sister, Magnolia Blossom card
Peach Rosebud Sister Birthday Card
Happy Birthday Sister, Yellow-Orange Dahlia card
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