As described in historical dictionaries

An Etymological Dictionary of Family and Christian Names (1857)

(origin: Welsh.) From Mawr and rys, a hero, a warrior, a brave man. Marth, the great, the warlike, same as Mavors.

Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.


Patronymica Britannica (1860)

MORRIS. This common surname, -which

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


Surname type: From given name or forename

Origin: Celtic

Region of origin: British Isles

Country of origin: Wales

Religion of origin: Christian

Language of origin: Welsh

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