Dictionary of Medieval Names
from European Sources

Marcher m. Old High German marka 'march; fortified area along a border' + Old High German heri 'host, army'.

France
Latin
c823 Marcarius (nom) irminon-vol2 94, Ved
Cite as: S.L. Uckelman. "Marcher". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Marcher.