Dictionary of Medieval Names
from European Sources

Maxim m. Latin maximus 'greatest, largest; chief'.

The name of an early martyr, a 3rd C saint, a 4th C Roman usurper, a 4th C Italian saint, a 4th C French saint, a 5th C Italian saint, a 6th C Italian saint, a 7th C Byzantine saint, a 14th C metropolitan of Kiev and all Rus, and a 15th-16th C Greek saint.

Finland
Early Modern Swedish
1548 Maximas (gen) Audén1980 p. 168; 1582 Maxima (nom) ibid. p. 172
Latvia
Latin
1292 Maxim (nom) RigSB 36
Cite as: R. Le Get, S.L. Uckelman. "Maxim". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Maxim.