Donnellan
Number of Entries in Birth Indexes for 1890
*Donnellan (19)—Donelan(16)—Donlon (14)—Donlan (13)
Ireland
76
Leinster
11
Munster
13
Ulster
4
Connaught
48
Counties in which principally found
“Donnellan,” Clare and Mayo; “Donelan,” all in Galway; “Donlon,” Longford; “Donlan,” 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.