Morissette and rapper Mario "Souleye" Treadway married last May in Los Angeles.
"Alanis Morissette and Mario 'Souleye' Treadway welcomed a baby boy, Ever Imre Morissette-Treadway, on Dec. 25th," the singer's representative told People.com Monday. "All are healthy and happy."
Notable deaths of 2014 [PHOTOS]
Pink Floyd detail new album 'The Endless River'