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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 (191,681)
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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
“Cards were exactly what I ordered. The personalization was perfect. Will definitely buy again.”
Christine - Nov 2nd, 2026
Cards per Page:
Cards: 4,840 Pages: 162
Most Popular Newest Show adult cards
For Sister on Birthday Watercolor Pink Roses Flora…
Funky Birthday Cake for Sister card
Happy Birthday Sister Watercolor Paints card
Birthday-For Sister-Victorian-Lady In Red Hat-Old …
Sister Birthday Flowers card
15th Birthday,Sister,Purple Helebore Flower card
Happy Birthday for Sister-Millie Ann Bone’a Fide O…
Happy Birthday for Sister Cat and Bird with Balloo…
Custom Birthday Wish Relative Sister Gardenia Whit…
Butterfly Birthday for Sister card
17th birthday for sister, with a stitched flower c…
17th birthday for sister, pearls and petals card
Add a picture,Sister age 19, with pink rose and je…
Add a picture,Sister age 15, with pink rose and je…
Add a picture,Sister age 14, with pink rose and je…
102nd birthday for sister, with a stitched flower …
Sister 44th Birthday Blue Crescent Moon and Stars …
Sister 6th Birthday Cute Unicorn and Clouds card
Sister 7th Birthday Pretty Little Girl with Puppy …
Sister 9th Birthday Cupcake Hearts and Polka Dots …
Sister 8th Birthday Cupcake Hearts and Polka Dots …
Sister, birthday, book, rose card
Big Sister 8th Birthday Glittery Effect Butterflie…
Sister 6th Birthday Cupcake Hearts and Polka Dots …
Little Sister 5th Birthday Pretty Little Girl with…
Sister 14th Birthday Teen Pretty Girl in Balloons …
Little Sister 9th Birthday Pretty Little Girl with…
Sister 1st Birthday Cupcake Hearts and Polka Dots …
Sister Birthday Cupcake Hearts and Polka Dots card
Little Sister 4th Birthday Glittery Effect Butterf…
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