Ryan
Number of Entries in Birth Indexes for 1890
Ryan
Ireland
715
Leinster
180
Munster
473
Ulster
13
Connaught
49
Counties in which principally found
Tipperary (which has by far the largest number), Limerick, Dublin, Cork, Waterford, Kilkenny, Wexford, Clare, and Galway.
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.