Dictionary of Medieval Names
from European Sources

Gero m. Old High German, Old Saxon gēr 'spear'.

Germany
Latin
822x875 Gero (nom) TradCorb §40
The Netherlands
Latin
838 Geri (gen) OrkGZ no. 33
Poland
Latin
1234 geronis (gen) CDT1 XIV
Cite as: S.L. Uckelman. "Gero". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Gero.