With online access to records making it easy for most people of Irish origin to trace their family background, there has never been a better time to research your Irish family history. This guide contains everything you need to know to speed up the process, making sense of the deluge of online material and guiding you towards records and methods you may not have known existed. This 5th edition of John Grenham's bestselling and seminal text is expanded, updated and indexed to make it easier to use than ever before. As well as guides to new developments online and in DNA testing, find out where to start if you're a beginner and to how to access and understand registry office records, census records, church and property records, and county-by-county source lists. It is an essential part of any Irish family history project. 'John Grenham has written a multi-purpose book which can be used by the absolute beginner, the keen amateur and the more experienced genealogist.' The Irish Times