| Townlands of Ireland |
Open Street Map Ireland |
Free |
Ireland |
List of baronies, parishes, electoral divisions & townlands by county |
| PRONI Historical Maps Viewer |
Public Record Office of Northern Ireland (PRONI) |
Free |
Northern Ireland |
Nineteenth and Twentieth century historical Ordnance Survey maps |
| Ros Davies Co. Down Records |
Personal Website |
Free |
County Down |
County Down genealogy research Website |
| Northern Ireland Place-Names |
Northern Ireland Place-Name Project |
Free |
Northern Ireland |
Place-names in Northern Ireland along with their origins and variant names. Also shows locations along with townland and parish boundaries |
| 1851 General Alphabetical Index to the Townlands and Towns |
Personal Website |
Subscription |
Ireland |
Includes the 1851 General Alphabetical Index to the Townlands and Towns, Parishes and Baronies of Ireland along with street listings for Belfast, Dublin & Cork. Fully searchable |
| Surname distribution from the 1901 & 1911 Censuses |
Personal Website |
Free |
Ireland |
Surname distribution from the 1901 & 1911 Census of Ireland, along with maps |
| John Grenham's Surname Maps and Distribution |
Personal Website (John Grenham) |
Subscription |
Ireland |
Surname maps, distribution, variant spellings, and history |