Country singer Brad Paisley and his wife, According to Jim star Kimberly Williams-Paisley, named their newborn son Jasper Warren Paisley, their reps confirm to Usmagazine.com.
Their son was born Friday at a Nashville-area hospital.
"Mother and baby are resting comfortably," their reps told Us in a statement Friday.
The baby's middle name, Warren, is that of Paisley's grandfather -- who gave Paisley his first guitar and encouraged him to pursue a career in music.
Jasper is the couple's second child. They are also parents to 2-year-old son William Huckleberry, who was named for Mark Twain's character Huck Finn.
Paisley, 36, and Williams-Paisley, 37, began dating nine years ago before they married in 2003.