Assumption is a small unincorporated community in southern Amboy Township, Fulton County, Ohio, United States. A part of the Toledo Metropolitan Area, it lies seven miles from the northern edge of Swanton. It is located at roughly 41°40'N, 83°55'W.HistoryAssumption was originally named St. Mary's Corners because it was the location of St. Mary's Catholic Church. In 1840, the area was called both Caraghar's Corners and Caraghar, after an early Irish settler of the area named Patrick Caraghar. By 1942, the village assumed its current name.
