Driscolls of Cork at RootsWeb
Colin Ferguson's wonderful site on all things Driscoll.
Contains valuable documentation and is also home to the Driscoll DNA Project
O'Driscoll Genealogical Archive
(site of historian Eamon Lankford, author of O'Driscolls Past and Present
and curator of the Cape Clear Island Museum)
Baltimore, Co. Cork, Ireland
The historic stronghold of the Driscoll clan.
Information on the annual O'Driscoll Clan Gathering, held every June, can be found here.
General Genealogy
There are so many out there, but these are just a few of the ones that I have found the most useful: