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Dictionary of Medieval Names
from European Sources

Rigo m. A diminutive of any of Italian names ending in -rigo, such as Rodrigo (cf. Roderick), Federigo (cf. Frederick), Arrigo (cf. Henry).

Italy
Latin
1285 Regollioli (gen) Perugia1285 p. 156, Rigutii (gen) ibid. p. 156
Cite as: S.L. Uckelman. "Rigo". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Rigo.