The 41-year-old actor and his wife have welcomed a baby son, Lucas' representative has confirmed, People magazine reported.
Noah Rev Maurer was born Friday, June 29, in New York City, weighing in at 9 lbs, 4 oz.
After quietly tying the knot in New York City's Conservatory Garden in March, the newlyweds confirmed that they were also celebrating pending parenthood.
Lucas, who starred in "Sweet Home Alabama", most recently appeared on "The Firm". His wife is a writer.