Happy birthday! Zosia Mamet turns 38 today

By Lori Macatee
Washington
Last updated on February 2, 2026

The iconic and legendary actress turns 38 on Monday, Feb. 2, 2026.

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Zosia Mamet is celebrating her 38th birthday today. As a number of online tributes attest, she is one of the most acclaimed actresses of her generation.

Popular actress Zosia Mamet (Mad Men, United States of Tara, Girls, ...) has always liked to keep a bit of herself hidden from view. At 38th birthday, she remains a woman of many facets.

Mamet, a cultural icon

Born Zosia Russell Mamet in Randolph on February 2, 1988, her career spans an arc over many different eras and tastes in American history. Mamet's not just a great actress, she's an inspiration, an icon and a successful business woman. At this point in her career, there seems to be little Zosia hasn't done.

And we've got a feeling the next 12 months are going to be even bigger and better for Zosia Mamet as she promises more to come. After all, she's only 38.

Happy Birthday, Zosia, you're the best!