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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 (191,718)
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Shopper Testimonials
“I haven't been disappointed with all my card orders...plus a lot of fun to create!”
Mabel - Las Vegas, Nevada - Nov 3rd, 2026
“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 per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
18th Birthday, Sister, Pink Rose card
Sister 49th Birthday Blue Crescent Moon and Stars …
Happy Birthday to a Sweet and Sassy Sister Cute Gi…
Butterfly on orchids for sister’s birthday card
Blue Watercolor Flowers Sister 40th Birthday card
Happy 50th Birthday Sister Purple Flowers card
Sister Birthday Vintage Looking Pretty Bird with D…
Sister’s Birthday floral photos on clothesline wit…
Happy 13th Birthday to Sister Fairy Rabbit Fantasy…
Sister’s Birthday, colorful daisy bouquet in brown…
White Daisy In Green Grass for a Sister’s Birthday…
Sister 33rd Birthday Green Flowers card
Sister 34th Birthday Green Flowers card
Sister 36th Birthday Green Flowers card
Have a whale of a time,Sister,On your Birthday,boa…
Add a picture,Sister age 17, with pink rose and je…
To a Special Sister Cute Floral Illustration with …
Birthday for Sister Beautiful Vintage Style Roses …
40th Happy Birthday Sister, Magnolia Blossom card
Birthday Heart of Flowers for a Sweet Sister on he…
Happy Birthday Sister, Red Rose card
Happy 38th Birthday Sister with Typewriter, Chicka…
Birthday, Sister, Reflections of Colorful Flowers …
Happy 41st Birthday to a Wonderful Little Sister, …
Hey Sister, its Your 45th Birthday, Sea Shells and…
Birthday for Sister card
Happy 56th Birthday to a Special Sister, Orange fl…
Birthday, Sister, Flowers, Bright & Bold in Fuchsi…
Happy Birthday Sister Pink with Flowers card
Happy 29th Birthday to a Wonderful Little Sister, …
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