Marios is a Greek male given name derived from the Greek word 'Marinos', which means 'of the sea'. It is believed to have originated from the ancient city of Marathon, near the coast of Greece, and was possibly given to children born there or during the spring season, associated with the sea. The name Marios has been used in Greece for centuries but gained wider recognition during the 19th century. Notable individuals bearing this name include Greek actors, such as Marios Panayiotides and Marios Toliopoulos.
The name Marios has seen a significant number of births over the years, with a total of 106 recorded instances between 1971 and 2023. The peak years for the name appear to be 1980 and 2006, each with 8 births. There is a notable gap in registrations from 1984 to 1990, with no recorded births of Marios during this period. Since 1991, however, there has been a steady increase in the name's popularity, with at least one birth per year until 2023.