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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 (187,971)
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Shopper Testimonials
“I love sending greeting cards and I love the raving appreciation for the one of a kind personalized touch I am able to craft and send. Thank you for the awesome selection.”
Mary - Jul 23rd, 2025
“Brilliant card, beautiful finish, very quick delivery. Would definitely buy from this company again.”
Dianne - Jul 23rd, 2025
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Cards per Page:
Cards: 4,704 Pages: 157
Most Popular Newest Show adult cards
21st Birthday, Sister, with Magnolia card
Birthday for Sister Flowers card
Celebrating a Sister’s Birthday Love card
Humorous Sister Birthday I’d Fight A Bear For You …
Birthday for Sister with Watercolor Sweet Cupcake …
Sister Happy Birthday Beautiful Flower and Cacti B…
Big Sis, Happy Birthday with Hugs and Kisses card
Blush Pink Gold Pattern Confetti Sister Birthday C…
Blush Pink Watercolor Flowers Sister Birthday Card
Sister Birthday with Meadow of Flowers and Bright …
Special Birthday Sister Doorway Card
My Bold And Diva-licious Sister’s Birthday Cake ca…
Birthday - Sister - purple flowers - letter card
Happy 63rd Birthday to a Wonderful Little Sister, …
Happy 79th Birthday or a Stunning Sister, Purple A…
Happy 50th Birthday Sister Garden Flowers card
’BirthdaySister’, Flower Trees card
Happy Birthday for a Special Little Sister, Lady S…
Happy Birthday Twin Sister card
Birthday card for Sister with Teddy Bear and sweet…
Birthday in Autumn/Fall to Sister, beautiful mysti…
97th Birthday, Sister, Pink Rose card
Hey Sister, its Your 50th Birthday, Sea Shells and…
Birthday For Sister Sweet and Sassy Young Adult wi…
74th Birthday for Sister, Pearls and Petals card
For Sister on Birthday Winter in New England Water…
For Sister on Birthday Watercolor Snowdrops Painti…
Happy birthday sister, sunset over the ocean card
25th Birthday, Sister, Pink Rose card
Sister’s birthday, light blue butterflies. card
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