Population
1861 Census: Decline in the Population of Ireland
Census of Ireland (1821, 1831, and 1841 compared)
Street Directories
Henry Shaw's Dublin City Directory, 1850
Dublin Street Directory, 1862
Ulster Towns Directory, 1910
County, City & Borough Directories
Antrim 1862
Armagh 1862
Armagh City 1862
Athlone Borough 1862
Bandon Borough 1862
Belfast Borough 1862
Carlow 1862
Cavan 1862
Clare 1862
Cork 1862
Down 1862
Fermanagh 1862
Galway 1862
Kerry 1862
Roscommon 1862
Sligo 1862
Sligo Borough 1862
Tipperary 1862
Other Resources
A Topographical Dictionary of Ireland
Irish Pedigrees (In progress)
Irish Ethnology