A Cuyahoga County jury found Donnell Lindsey guilty of charges related to the death of 3-year-old Major Howard Monday.
Lindsey was found guilty of murder, felonious assault, attempted murder and several gun-related charges.
He was found not guilty of two charges of aggravated murder.
Major Howard, 3, was killed in a drive-by shooting incident on E. 113th Street in September 2015. Howard was shot in the chest while sitting inside a vehicle.
A 24-year-old woman was also shot, though she survived.
Lindsey, 24, was the shooter during the incident. He was arrested outside the Atlanta area in May 2016.