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Dictionary of Medieval Names
from European Sources

Foucauld m. Old High German folk 'people, nation, tribe, race' + Old Saxon wald, Old High German walt 'power, authority'.

France
Latin
699 Folcoaldo (abl) DCEL-2 Add. X; 882 Fulcoldus (nom) InsMacon XIII; 1047 Fucaudi (gen) CartNDSaintes I; a1116 Fulcaldus (nom) CartStPC XX; 1147 Fulcaldo (abl) CartNDSaintes XXV; 1239 Fulcaudum (acc) ChronMaillezais p. 160, Fulcaudus (nom) ibid. p. 161
Old French
1296 Fouquaut paris1296 p. 52
Middle French
1392 Fouquaut MemBret-II col. 601
1392 Fouquet MemBret-II col. 604
Cite as: S.L. Uckelman. "Foucauld". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Foucauld.