Dictionary of Medieval Names
from European Sources

Apollonius m. Ancient Greek Ἀπολλώνιος, a derivative of Ancient Greek Ἀπόλλων 'Apollo', the god of light.

The name of a 2nd C saint.

Estonia
Middle Low German
1435 Plonys BbRT p. 358
Latvia
Latin
1297 Poloni (gen) RigSB 182
Cite as: R. Le Get, S.L. Uckelman. "Apollonius". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Apollonius.