Family History and Genealogy Resources by Surname
Marsh Surname Origin
(Origin Teutonic) Maresche, Morass, a fen, a tract of low, wet land.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Marsh Surname Meaning and Family Facts
There is more to Marsh family history than the origin of your surname:
A Marsh Family History Thought:
'If man cares not for his roots, then how can he care for his branches?' --Doyle M Davis