Donoghow

Also O'Donoghow

Source #1:
http://ifhf.brsgenealogy.com/surnames.php List of Irish genealogy surnames that can be found in Ireland
Source #2:
Pender's 1659 Census Co.Clare
Source #3:
The Irish Fiants of the Tudor Sovereigns 1521-1603
Source #4:
Source #5: