Irish : Anglicized form of Gaelic Mac Murchadha, a
patronymic from the personal name Murchadh ‘sea warrior’, from
muir ‘sea’ + cath ‘battle’. In Leinster this name is
usually Anglicized as McMurrough and in Ulster as
Murphy.
Irish : usual Anglicized form of Gaelic Mac
Muireadhaigh (see McMurray).
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