MacGahan and McGahan are Northern Irish surnames. They are Anglicised forms of the Irish language Mac Eacháin, meaning "son of Eachán". The personal name Eachán is a diminutive of the personal name Eachaidh, which is based upon the Gaelic each, meaning "horse". which cited for the surname "McGahan".
People surnamed McGahan or MacGahan
Andrew McGahan (1966–2019), Australian novelist Anna McGahan (born 1988), Australian actress and playwright Bronwyn McGahan (born 1972), Irish Sinn Féin politician Hugh McGahan (born 1961), New Zealand rugby league footballer Jamie McGahan (born 1959), Scottish cyclist Matt McGahan (born 1993), New Zealand rugby union footballer Januarius MacGahan (1844–1878), American journalist and war correspondent Paul McGahan (born 1964), New Zealand rugby union footballer Thomas McGahan (1845–1932), Australian politician Tony McGahan, (born 1972), Australian rugby union coach Walter G. McGahan (1902–1981), New York politician Holly McGahan (born 2002), New Zealand Teacher
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