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 Ó Glasáin, Gleeson, Ó Gliasáin 
 Gleeson is an Irish surname. It is an anglicisation of the Irish name Ó Glasáin or Ó Gliasáin. The name is most common in County Tipperary but originates in East County Cork, in the once powerful Uí Liatháin kingdom, where the Gleesons were great lords and sometimes kings. |