Have a look at the McCarthy part of my public family tree Josephine Salt Family Tree 09.06.2012 & see if you have any matching ancestors. When you say cork do you mean the city or the county? It helps when looking for records. Try also using www.irishgenealogy.ie.

My gt grandfather Michael McCarthy came from Garralacka Co. Cork to Whitwick, Leicestershire, England.

Josephine