Harilaos is of Greek origin and means 'happiness'. It is composed of the Greek elements 'hara' meaning 'joy, happiness', and 'laos' signifying 'people'. Harilaos is a classic Greek name that has been used throughout history but is not widely known outside of Greece. Its usage peaked in the 1980s and 1990s, with it being among the top 50 most popular names for boys during these decades.
"Harilaos saw five newborns enter the world in 1978."