O’Neill
Number of Entries in Birth Indexes for 1890
*O’Neill (359)
Ireland
407
Leinster
124
Munster
110
Ulster
145
Connaught
28
Counties in which principally found
Dublin, Antrim, Cork, and Tyrone contain 50 per cent. Found, however, in nearly every county in Ireland.
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.