Provides "maps of the six major administrative divisions in which all major Irish record sources are organized: counties, baronies, civil parishes, dioceses, poor law unions, and probate districts." "Intended that this volume ... be used in conjunction with the 'General alphabetical index to the townlands and towns, parishes and baronies of Ireland (Alexander Thom, 1861)'."
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.