Last name origins & meanings:
- Irish: Anglicized form of Gaelic Ó Mothlacháin
‘descendant of Mothlachán’, a byname or personal name from a
diminutive form of mothlach ‘shaggy’.
- Irish: Anglicized
form of Gaelic Ó Maolacháin ‘descendant of
Maolachán’, a personal name.
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