Demory Family History
Demory Name Meaning
patronymic from Mory, a reduced form of Amory (see Emery). northern French habitational name, with the preposition de, for someone from any of various places called Mory, in Oise, Pas-de-Calais, or Seine-et-Marne, the place name being derived from Latin Mauriacum (composed of a personal name Maurius + locative suffix -acum).
Source: Dictionary of American Family Names ©2013, Oxford University Press