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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
“A wonderful selection of beautiful cards for all occasions. Personalizations come out perfect. Shipped quickly and with upmost care. Best place to order cards.”
June - Nov 2nd, 2026
“Darling card and very appealing to a young child. Quality card with nice envelope.”
JUDITH - Nov 2nd, 2026
Cards per Page:
Cards: 4,861 Pages: 163
Most Popular Newest Show adult cards
Happy Birthday Twin Sister Pretty Gerber Daisy Pai…
Sister Birthday White Arum Lily Loose Watercolor c…
Happy Birthday to my dearest sister card
For Sister Birthday with Green Flower Pattern card
Happy Birthday Sister - Landscape with Wildflowers…
Happy 64th Birthday for a Sister, Rudbeckia flower…
Happy 93rd Birthday, Sister, Monarch Butterfly car…
Hey Sister, its Your 77th Birthday, Sea Shells and…
Birthday to Sister with a Pomeranian Smiling Weari…
Happy 68th Birthday for a Sister, Rudbeckia flower…
Happy 79th Birthday for a Sister, Rudbeckia flower…
Happy 84th Birthday for a Sister, Rudbeckia flower…
Happy Birthday Sister, Antique Flow Blue Dishes ca…
Happy 71st Birthday or a Stunning Sister, Purple A…
Birthdays / To Pisces Sister card
Happy 87th Birthday to a Special Sister, Orange fl…
Happy Birthday Sister Coffee Cup Espresso Tea card
Hey Sister, its Your 66th Birthday, Sea Shells and…
Sister Happy Birthday Heart and Kaleidoscopes card
Little Sister, The Bittersweet Truth, Happy Birthd…
58th Happy Birthday Sister, Magnolia Blossom card
A Birthday Wish for a Wonderful Twin Sister, Purpl…
To a great sister, happy birthday, cake & candle c…
Sister Birthday Pink Swan card
Happy Birthday for Little Sister Red Head and Spro…
Pink Watercolor Roses Happy 60th Birthday Sister c…
Sister Birthday Butterfly and Inspirational Word A…
Happy Birthday to a Special Little Sister Fairy an…
Happy Birthday Sister - Lavender & Beige card
Happy Birthday to Sister Pretty Cherry Blossoms in…
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