Baby Names Boy Names Meaning of the Name Demetrius Updated January 14, 2026 by Jennifer M. Demetrius Gender: Male Origin: Greek Meaning: Devotee Of Demeter #Biblical ♥ Add to my Namelist What is the meaning of the name Demetrius? The name Demetrius is primarily a male name of Greek origin that means Devotee Of Demeter. People who like the name Demetrius also like: Dominic, Xavier, Dante, Benjamin, Elijah, Sebastian, Gabriel, Sophia, Anastasia, Scarlett, Charlotte, Aurora, Ophelia, Olivia Names like Demetrius: Demitrius, Dimitrios Stats for the Name Demetrius Demetrius is currently not in the top 100 on the Baby Names Popularity Charts Demetrius is currently not ranked in U.S. births