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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 (187,265)
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Shopper Testimonials
“Very pleased with my card! Will be doing it again sometime.”
Kathy - Aug 24th, 2025
“Have never been disappointed. Always find just the right card. Great service.”
Sharon - Aug 25th, 2025
Cards per Page:
Cards: 4,631 Pages: 155
Most Popular Newest Show adult cards
78th Birthday for Sister, Pearls and Petals card
Birthday, Sister, Bouquet Flower in Mason Jar card
Hey Sister, its Your 78th Birthday, Sea Shells and…
28th Happy Birthday Sister, Magnolia Blossom card
30th Birthday to Sister, Hot Dog with cute face, g…
Happy Birthday to My Hero Sister - Red, White & Bl…
50th Birthday to Sister with a Pomeranian Smiling …
Happy Birthday to our Sister, queen west highland …
Happy 45th Birthday, Sister, Monarch Butterfly car…
Birthday to Sister with a Rraccoon Portrait and Fl…
Sister Sweet Cherry Cupcake Birthday card
Happy 19th Birthday or a Stunning Sister, Purple A…
Happy 79th Birthday for a Sister, Rudbeckia flower…
Happy 100th Birthday to a Special Sister, Orange f…
Happy 81st Birthday to a Special Sister, Orange fl…
Happy 94th Birthday to a Special Sister, Orange fl…
Happy Birthday, Little Sister, Red Bleeding Heart …
Happy Birthday Sister, Yellow-Orange Dahlia card
Happy 61st Birthday or a Stunning Sister, Purple A…
Birthday Heart of Flowers for a Sweet Sister on he…
Wish Happy Birthday to Your Golf Player Sister! ca…
Sister, Happy 74th Birthday, Sunflowers card
Happy Birthday Tropical Island for a Big Sister ca…
Happy 40th Birthday, Sister, Monarch Butterfly car…
Sister,Happy Birthday! Chick Talk, Humor card
Happy Birthday for my Big Sister, White Tailed Faw…
Sister, Happy Birthday cute fairy dancing card
Hey Sister, its Your 71st Birthday, Sea Shells and…
Happy Birthday, Sister - Happy Angel Card
Happy Birthday Tropical Island for Little Sister c…
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