Meaning:
Its source is Kleio, a Greek name meaning "Renown."
Popularity:
The name Cleo ranked 731st in popularity for males of all ages in a sample of the 1990 US Census.
Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.
Narrative:
This was the name of the ancient Greek Muse of history.