July 02, 2018 01:05 PM

Welcome to the world, Haskell Letts!

Carrie Coon gave birth to her son and first child with husband and The Post costar Tracy Letts on Tuesday, March 13, according to county records obtained by the Chicago Tribune.

The outlet reports that Haskell was born at Evanston Hospital just outside of Chicago, and that his name could be a nod to Letts’ late grandfather Charles Haskell Letts.

Coon confirmed Haskell’s birth in an April interview with Rolling Stone, joking that she was “just hanging around the house with [her] boobs out” and explaining that her son was breech and had to be delivered via cesarean section.

“But I’m doing pretty well, considering,” said the 37-year-old actress. “I grew up in a family with five kids. I grew up with babies. So babies have never been particularly intimidating to me.”

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Tracy Letts and Carrie Coon
Kevin Mazur/WireImage

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The actress also joked about the timeline for when she and her husband conceived their son: when they were on set to film The Post. “It’s our Spielberg baby,” she told Rolling Stone.

Coon — also know for her television roles in Fargo, The Leftovers and The Sinner — confirmed her pregnancy on Twitter in January, writing, “It’s true!”

She and Letts, 52, had stepped out five days previous to attend the Critics’ Choice Awards, where she debuted her baby bump in a long white dress with gold, red and lavender detailing.

Carrie Coon
John Lamparski/Getty

RELATED: The Post Stars Carrie Coon and Husband Tracy Letts Expecting Their First Child

The couple, who wed in 2013, tied the knot one year after appearing together in the Broadway production Who’s Afraid of Virginia Woolf? for which Letts won a Tony award for his portrayal of George in the revival.

They met while working at the Steppenwolf Theatre Company in Chicago, where Letts debuted his 2008 Pulitzer Prize-winning play, August: Osage County.

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