All the known Kilkies living in the early 19th century were born within a few miles of the city of Derry and the county of Londonderry/Derry. An understanding an knowledge of the various names and their meanings will help anyone interested in using Griffiths and other land valuations to help their research (or understanding of someone elses research!).

You will see the following names used as descriptors of areas: County, Barony, Parish, Townland and Poor Law Union.

Counties are the highest level unit of geography and political area in Ireland and have been largely the same since Norman times.The County relevant to our studies is Londonderry, sometimes argued as Derry, which was its original pre-Tudor name.