Family History and Genealogy Resources by Surname
Thorn Surname Origin
(Locality). A town in England; a tree or bush armed with spines or sharp shoots. 'Will at the Thorn.'
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.
Thorn Surname Meaning and Family Facts
There is more to Thorn family history than the origin of your surname:
A Thorn Family History Thought:
'Those who forget their past are destined to repeat it.' --Robert A. Heinlein