Family History and Genealogy Resources by Surname
Walsh Surname Origin
A Welshman - A Gaul, which the Germans pronounce with a 'w,' as Wallic for Gaulic. Wallis, Wallish, Walsh. The Welsh were originally from Gaul.
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.
Walsh Surname Meaning and Family Facts
There is more to Walsh family history than the origin of your surname:
A Walsh Family History Thought:
'The past isn't dead. It isn't even past.' --William Faulkner