Wexford is an unincorporated community in Allegheny County, Pennsylvania, United States. It is a suburb of the Pittsburgh metropolitan area split across multiple municipalities, including Franklin Park, McCandless, Pine Township, and Marshall Township. It is named after County Wexford in Ireland. It was ranked the twenty-eighth best plac…Wexford is an unincorporated community in Allegheny County, Pennsylvania, United States. It is a suburb of the Pittsburgh metropolitan area split across multiple municipalities, including Franklin Park, McCandless, Pine Township, and Marshall Township. It is named after County Wexford in Ireland. It was ranked the twenty-eighth best place to live by Money magazine in 2005, despite not being a cohesive municipality.