A man was also found shot to death at a home on the city's Southeast Side in the 2200-block of East 78th Street.
And on West 116th, a teen was found dead. He had been shot in the head.
Up to 60 people were wounded in shootings and stabbings, primarily on the South Side.
Ten people were killed over this holiday weekend alone. Among the latest was 35-year-old Cleotis Perrill, who was shot on his porch about 10:30 p.m. Sunday.
And on 116th Street, Dionte Scott was found shot outside his home. Three people fled that scene.
Eighteen-year-old Everett Snow was shot multiple times on East 78th Street. A stepbrother there is now in custody.
Chicago police are still in the middle of investigating all of these crimes.