Kleo is a name of Greek origin, derived from the word "kleos," which means "glory" or "renown." It was originally used as a poetic epithet for various goddesses in Greek mythology, such as Hera and Athena. The name Kleo gained popularity in the 20th century, particularly after it was used by the Greek writer Stratis Myrivilis in his novel "The Mermaid Madonna" (1936). Today, Kleo is recognized as a unique and elegant choice for a girl's name.
Kleo has seen a steady increase in popularity over the years, with a notable spike starting from 2017 onwards.