This municipality is named after Virgin Mary, who is worshiped here. Marija is a Croatian form of the name Mary, while Gorica means "hill". Deinotherium is depicted on coat of arms of Marija Gorica. In Marija Gorica Croatian writer Ante Kovačić went to school. This school is today named after him. The mayor is Marica Jančić, who was born in Žlebec Gorički.