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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
“WOW!! Now that's what I call a FAST delivery...Thank You for a flawless transaction. Your cards are over-the-top in quality, artistry and selection. Glad to have found you!!!”
Linda - Nov 1st, 2026
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
Sister Birthday Forever Friend Watercolor Floral F…
58th Birthday for Sister, Pearls and Petals card
Happy Birthday Sister, puppy dog under a blanket c…
Sis Custom Photo Happy Mother’s Day Pansy Border c…
Sister Birthday Flower Frame Assorted Garden Bloom…
Blue Watercolor Flowers Sister 65th Birthday card
Sister’s Birthday pansy basket on purple eyelet ba…
Happy Birthday Sister with Neutral Flowers Butterf…
Happy Birthday to my Sister, House & Garden with F…
Sister Birthday Blue and Cream Birds and Blossoms …
Sister, Happy Birthday, Mason Jar, Flowers, Hand L…
Custom Sister Birthday Elegant Floral Warm Yellow …
Little Sister Birthday, Pink Teacup with Lily of t…
Happy Birthday for a Big Sister, Red Dahlia card
Twin Sister Sweet Sixteen Birthday Colorful Cupcak…
Sister’s Birthday, Peaceful Hawaiian River card
Sister 85th Birthday Traditional card
Birthday, Sister, Bouquet of Flowers on Green Polk…
Birthday (Sister-Sunflowers) card
Birthday for Sister-Millie Ann- Bonus in Life card
Birthday for Twin Sister from Twin Brother, Bicycl…
Happy Birthday Sister - Lavender & Black Swirls ca…
Happy 18th Birthday to a Wonderful Little Sister, …
Happy Birthday Sis Red Tulips Bouquet Watercolor c…
71st Birthday for Sister, Pearls and Petals card
Happy Birthday to a wonderful sister card
Sister Ice Cream Cone Birthday Greeting card
Sister or Sis Birthday with Flowers Butterflies Pr…
Birthday - SISTER - Cottage Garden - Tea For Two -…
Black Pug Waiting for Playtime--Big Sister Birthda…
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