Dictionary of Medieval Names
from European Sources

Gerich m. Old Icelandic geirr, Old High German, Old Saxon gēr 'spear' + Old Icelandic ríkr, Old High German rih 'ruler'.

Sweden
Latin
1350 Gerichinus (nom) SDHK no. 6041
Cite as: S.L. Uckelman. "Gerich". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Gerich.