O'Loughlin

The surname '''O'Loughlin' is an Anglicised form of the Irish Ó Lochlainn meaning "descendant of Lochlann''". According to historian C. Thomas Cairney, the O'Loughlins were a chiefly family of the Corco Modhruadh tribe who in turn came from the Erainn tribe who were the second wave of Celts to settle in Ireland from about 500 to 100 BC.

==People with the surname== Alex O'Loughlin (born 1976), Australia-born actor Charlie O'Loughlin (born 1989), English football defender Chris O'Loughlin (fencer) (born 1967), American Olympic fencer David O'Loughlin (disambiguation) Gerald S. O'Loughlin (1921–2015), American actor Harold J. O'Loughlin (1900–1968), American lawyer, businessman, and politician Keiron O'Loughlin, (born 1953), English professional rugby league footballer Jack O'Loughlin (Australian footballer) (1873–1960) Laurence O'Loughlin (1854–1927), South Australian politician Marina O'Loughlin, British journalist, writer and restaurant critic Michael O'Loughlin (born 1977), Australian rules footballer Sean O'Loughlin (born 1982), English professional rugby league footballer Silk O'Loughlin (1872–1918), American baseball umpire Thomas O'Loughlin, Professor of Historical Theology Vanessa O'Loughlin, British-born writer and literary agent