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Dictionary of Medieval Names
from European Sources

Falco m. Old High German falco 'falcon'.

France
Latin
1046 Falco (nom) St-Bernard-Romans 123; 1135 Falco (nom) clairvaux-12thc 7; 1147 Falco (nom) ibid. 14
Switzerland
Latin
1161 Falconem (acc) CartHaut 9
Cite as: S.L. Uckelman. "Falco". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Falco.