Derry is close to the border with County Donegal, with which it has had a close link for many centuries. The person traditionally seen as the 'founder' of the original Derry is Saint Colmcille, a holy man from Tír Chonaill, the old name for almost all of modern County Donegal (of which the west bank of the Foyle was a part before c. 1600). | Derry is close to the border with County Donegal, with which it has had a close link for many centuries. The person traditionally seen as the 'founder' of the original Derry is Saint Colmcille, a holy man from Tír Chonaill, the old name for almost all of modern County Donegal (of which the west bank of the Foyle was a part before c. 1600). |