Family History and Genealogy Resources by Surname
Loughlin Surname Origin
The ancient Britons or Welsh called the Baltic Sea Lychlyn, and the Scandinavian sea-pirates who infested the coasts of Britain received the same appellation. Norway is called Llychlyn.
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.
Loughlin Surname Meaning and Family Facts
There is more to Loughlin family history than the origin of your surname:
A Loughlin Family History Thought:
'I don't have to look up my family tree, because I know that I'm the sap.' --Fred Allen