Demarus is of Latin origin, derived from the Roman family name Demaratus. It means "of the house of Mars," with Mars being the Roman god of war. The name has a strong, martial tone and suggests someone who is courageous and determined. It is a unique and distinctive choice for a first name.
The name Demarus experienced some fluctuation in popularity over these years, with peaks in 1983, 1988, and 1994, each having 7 or more births. However, it was consistently among the less common names, never reaching double digits in any given year. The total number of babies named Demarus during this period was 65.