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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 (191,597)
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Shopper Testimonials
“I liked the design and thoughtful message that expressed the sentiment that I wanted to send. Cards arrived promptly and I like the option to personalize some of the cards.”
Doris - Nov 2nd, 2026
“GREAT selection, very user-friendly website, love the cards I've ordered!”
Judy - Nov 3rd, 2026
Cards per Page:
Cards: 4,835 Pages: 162
Most Popular Newest Show adult cards
27th Birthday, Sister, with Magnolia card
Happy Birthday Sister Red Moth Nature Insects Wate…
Sister 5th Birthday Cute Hedgehog with Balloon car…
Happy Birthday Sister Lilac Breasted Roller Bird o…
Sister, Happy Birthday! Cake with Candle, Hugs and…
Happy Birthday Sister Art Nouveau Botanical Floral…
Happy Birthday for Sister Aqua Turquoise Flowers c…
Birthday, Sis, pink & yellow rose card
Happy Birthday Sister Farmhouse Green Pastures Mou…
Sister Age 4 Teddy Bear card
Sister Age 6 Teddy Bear card
Sister Age 7 Teddy Bear card
Sister Age 8 Teddy Bear card
Sister Age 10 Teddy Bear card
26th birthday for sister, pearls and petals card
39th birthday for sister, pearls and petals card
41st birthday for sister, pearls and petals card
51st birthday for sister, pearls and petals card
101st birthday for sister, with a stitched flower …
Sister 39th Birthday Pink Teacup with Lily of the …
Happy 110th Birthday Sister with Typewriter, Chick…
Best Sister Ever 89th Birthday Typography in Pink …
41st Happy Birthday Sister, Magnolia Blossom card
Birthday For Sister Pretty Moon Moth On Blue Opaqu…
Sister 43rd Birthday Pink Teacup with Lily of the …
Happy 56th Birthday for a Sister, Rudbeckia flower…
Sister 44th Birthday Pink Teacup with Lily of the …
Sister Birthday, Raccoons together card
Happy Birthday Sister Colorful Typography Pattern …
Sister, 34th, Happy Birthday, Mason Jar, Flowers, …
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