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Dictionary of Medieval Names
from European Sources

Magna f. Latin magna 'large, great, powerful'.

England
Latin
1578 Magne (gen) AuFr Tieckemakers
France
Latin
814 Magna (nom) StVdM-II B2
Cite as: S.L. Uckelman. "Magna". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Magna.