Boy name origins & meanings
- Scottish : Victorious at sea
Family name origins & meanings
- Irish : (Meath and Monaghan) Anglicized form of Gaelic Ó Muircheartaigh ‘descendant of Muircheartach’, a personal name from muir ‘sea’ + ceardach ‘skilled’, i.e. ‘skilled navigator’. A Kerry surname of the same form is Anglicized as Moriarty.
- Irish : (County Roscommon) Anglicized form of Mac Muircheartaigh (originally Anglicized as MacMoriarty) (see McMurtry).
- Irish : sometimes of Scottish origin, an alternative to Murdock.