McLaughlin
Number of Entries in Birth Indexes for 1890
*McLaughlin (191)—McLoughlin (170).
Ireland
391
Leinster
62
Munster
7
Ulster
228
Connaught
94
Counties in which principally found
“McLaughlin,” about 75 per cent. in Antrim, Donegal, and Londonderry—a few in Tyrone, but very few elsewhere. “McLoughlin,” chiefly in Dublin and the Counties of Connaught, but found scattered throughout Ireland generally.
For an explanation of the above table see Table Explanation.
To find spelling variations and alternatives to particular surnames, see Matheson’s Varieties and Synonymes of Surnames and Christian Names in Ireland.