Baby Names Boy Names Meaning of the Name Demetrius Updated June 15, 2026 by Jennifer M. Demetrius Gender: Male Origin: Greek Meaning: Devotee Of Demeter #Biblical ♥ Add to my Namelist What does the name Demetrius mean? The name Demetrius is primarily a male name of Greek origin that means Devotee Of Demeter. People who like the name Demetrius also like: Dante, Elijah, Gabriel, Dominic, Xavier, Benjamin, Sebastian, Scarlett, Ophelia, Charlotte, Aurora, Sophia, Olivia, Anastasia 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