Mulligan Surname

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I've always consider Mulligan to be an Irish surname, and most of the time a quick Google search will confirm it is a Gaelic name from O'Maolagain (descendant of the bald man) and usually originates in Tyrconnel (Donegal).

However the Scottish clan MacMillian lists the surname as one of its Septs and they are openly acknowledging a link between Southern Scotland and Northern Ireland.

http://www.clanmacmillan.org/pages/genealogy/septs.html

Has anyone any ideas about this?

in Genealogy Help by Peter Mulligan G2G6 Mach 1 (10.3k points)

1 Answer

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Best answer
Peter,

Other derivations of the Mulligan name include Milligan and Milliken.  I am part of a DNA group that includes a number of Millikens/Milligans.  Many of these come from Ireland, but there is DNA evidence of a move from S/W Scotland to Ireland and then back again as well.

These migrations actually occurred for many Gaelic lines and were relatively common due to the family ties in both areas.
by Brian Gilbert G2G1 (1.7k points)
selected by Peter Mulligan

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