Last name origins & meanings:
- Scottish (Dumbartonshire) and Irish (Westmeath): Anglicized
form of Gaelic Mac Amhalghaidh ‘son of Amhalghadh’, a
personal name of uncertain origin.
- Scottish (Hebrides) and Irish
(Fermanagh): Anglicized form of Gaelic Mac Amhlaoibh or Mac
Amhlaidh ‘son of Olaf’, from Gaelic forms of the Old Norse
personal name Áleifr, Óláfr. Compare
McAuliffe.
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