A derivative of Ancient Greek λέων 'lion'.
The name of 1st C saint, a 5th C Byzantine usurper, two 5th C French saints, a 5th C Armenian martyr and saint, and a 7th C Byzantine emperor.
- ● c1030 Leoncius (nom) StVdM-II 714;
1030 Leontius (nom) ibid. 712
- ◑ 1376 Leoncino (abl) DouGen1 p. 87
Cite as: S.L. Uckelman. "Leontius". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Leontius.