In the Greek origin, Decatur means "Decatur \d(e)-ca-tur\ as a boy's name. Surname. There is a process called "decating" in the manufacture of cloth. Deca- in Greek means "ten", but might also mean "pure". Stephen Decatur was an early 19th-century naval hero. There are several American towns named for him.
Similar baby names are Decker, Dexter and Hector. "
