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Dictionary of Medieval Names
from European Sources

Wirich m. Old Saxon, Old English wig, Old High German wīc 'war, battle' + Old High German rih 'ruler'.

Brabant
Latin
1312 Wirici (gen) JeanIII p. 24, Wirico (abl) ibid. p. 24
France
Latin
1138x1162 Wirricus (nom) clairvaux-12thc 57; 1147 Guirrico (abl) ibid. 15, Wirricus (nom) ibid. 15; 1256 Wirico (abl) hennes-vol1 161
Germany
Latin
963x1023 Uuiric (nom) TradCorb §229, Wyric (nom) ibid. §229; 1061 Wiricus (nom) quix-vol1 60; 1135 Wiricus (nom) ibid. 64; 1153 Wiricus (nom) ibid. 30; 1168 Wirico (abl) ibid. 65
Cite as: S.L. Uckelman. "Wirich". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Wirich.