Loughlin is a surname and a given name. The surname is derived from two different surnames. In some cases it is a reduced form of McLaughlin, in other cases it is a reduced form of Ó Lochlainn or Ó Lachtnáin. The given name Loughlin is an Anglicised form of the Gaelic Lochlainn.
Read more about Loughlin: People With The Surname Loughlin, People With The Given Name Loughlin, Other Things With The Name Loughlin