Credit: George Napolitano/FilmMagic

Amy Ryan is a mom.

The Office star, 39, and and her fiance, comedy writer Eric Slovin, have welcomed a baby girl, her rep tells Usmagazine.com.

Georgia Gracie Slovin was born Oct. 15 in NYC.

It is the first child for Ryan and Slovin.

Meet Hollywood's new moms!

Ryan was nominated for a best supporting actress Oscar for her role as a troubled mom in Ben Affleck's 2007 directorial debut Gone Baby Gone.