High Quality Content by WIKIPEDIA articles! Mona J. Simpson is a recurring fictional character in the animated television series The Simpsons. She has been voiced by several actresses, including Maggie Roswell, Tress MacNeille and most prominently, Glenn Close. Mona is the estranged wife of Abe Simpson and the mother of Homer Simpson. Homer believed that his mother was dead, a lie his father Abe told him when in reality she was on the run from the law. Mona first appeared in the second season in a flashback in "Oh Brother, Where Art Thou?". She returned in the seventh season for her first main appearance in "Mother Simpson" and also had a large role in "My Mother the Carjacker". The character appeared again in Season 19`s "Mona Leaves-a", but died during the episode.