Jack Huston Welcomes Second Child With Shannan Click: Find Out Their Son's Unique Name!

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And baby makes four!

Boardwalk Empire star Jack Huston and his longtime partner, Shannan Click, have welcomed their first baby boy, and his name is so unique!

"Our newest addition.. My perfect boy, Cypress Night Huston," Click announced on Instagram on Wednesday.

PHOTOS: Stars Show Off Their Cute Kids

This is the second child for the couple, who welcomed their two-year-old daughter, Sage Lavinia, in 2013.

Congrats to the whole family!

Watch the video below to see who else is expecting this year!