Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
MARCH
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
A boundary, a limit; the boundary-lines between England, Scotland, and Wales, were called "The Marches." Lords Marches were noblemen who anciently inhabited, guarded, and secured these marches.
Patronymica Britannica (1860)
MARCH. A town in Cambridgeshire. Le March is frequent in H.R.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English