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Dictionary of Medieval Names
from European Sources

Aaron m. Hebrew אהרן, of uncertain origin.

The name of the Biblical brother of Moses, a 4th C British saint, and a 6th C saint. Wycliffite Bible (1395): Aaron.

For more information see Withycombe, s.n. Aaron.

Hungary
Latin or Hungarian
1229 Aaron ÁSznt p 74, Aron Aaron; 1246x1453 Aaron ibid. p 75, Aron Aaron; 1332x1337 Aaron Slíz p 11
Italy
Latin
1527 Aaron (nom) Rome1527 p. 86
Cite as: M. Slíz, J. Uckelman, S.L. Uckelman. "Aaron". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Aaron.