Dictionary of Medieval Names
from European Sources

Sergio m. Latin Sergius, the name of the Roman gens Sergia or Sergii.

The name of a 3rd C martyr, two 4th C saints, a 7th C pope and saint, a 9th C pope, a 10th C pope, an 11th C pope, a 14th C Russian saint, and a Greek saint and missionary to Finland of uncertain date.

Finland
Early Modern Swedish
1582 Sirge (nom) Audén1980 p. 172
Germany
Latin
846 Sergius (nom) HambUrk-vol1 XI; 905 Sergius (nom) ibid. XXVI; 911 Sergius (nom) ibid. XVII
Italy
Latin
1348 Sergii (gen) INP 41
Cite as: R. Le Get, S.L. Uckelman. "Sergio". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Sergio.