Clan Fullerton is a Scottish clan associated with the region of Ayrshire. The Fullertons held lands in the area, including the estate of Fullarton. The family’s history can be traced back to the 13th century. One notable figure from Clan Fullerton is William Fullarton of Fullarton, a Scottish Member of Parliament and writer. He was known for his literary contributions and published works on various subjects, including politics and economics.