Name origin: Irish
Name meaning: reduced Anglicized form of Gaelic Ó hEireamhóin
‘descendant of Eireamhón’, a personal name of uncertain
origin. See also Irwin. There has also been some confusion with
Name origin: Scottish and Irish
Name meaning: Anglicized form of Gaelic Mac Dubhghaill
‘son of Dubhghall’, a byname meaning ‘dark stranger’, used
among the Gaels to distinguish the darker-haired Danes from
fair-haired Norwegians. According to MacLysaght, this is the Irish
form of the name of the Scottish clan McDougall, borne by a
branch which went to Ireland from the Hebrides as mercenaries.
However, Black shows that both forms were current in Scotland.
Name origin: English
Name meaning: Promontory