If you are conducting research on your Irish ancestors in the 19th century, you will find an invaluable research resource in Griffith’s Valuation of Ireland. Often, the Valuation is the only place you will find any mention of your 19th century Irish ancestors in Ireland at all. If you locate them on the Valuation, it will provide a valuable jumping off point for searching other record collections, such as local parish registers and census records. Because it tells you where your ancestor lived, it is of exceptional value, since much of Irish genealogy research depends on knowing the exact county, town, and township (and sometimes even down to the individual parish) where your ancestor lived. Location is crucial for getting anything of importance out of other, older record sources in Ireland. Griffith’s Valuation is your best friend in making location discoveries and revelations on your Irish ancestors...