Griffith’s Valuation of Ireland 1847-1864 is an invaluable resource and census substitute. It lists every household head and occupier of land in Ireland. This site offers a family name search, place name search and name book search. There is free access to digital images of the original valuation and maps. These maps include the 1850s Griffith’s map, a modern Google map and town plan (if applicable). Use the GPS function to tag locations. Email these to yourself or send to your smart phone for use if you plan to visit the location. Alternatively use street view to visit without the expensive airfare.