| PRONI Street Directories until 1900 |
Public Record Office of Northern Ireland (PRONI) |
Free |
Chiefly Belfast & towns and cities in Ulster |
Covers Belfast & Province of Ulster directories from 1819-1900 |
| Lennon Wylie |
Personal Website |
Free |
Chiefly Belfast & some towns and cities in Ulster |
Covers Belfast & Province of Ulster directories from 1805-1960 (not a complete run) |
| Thom's Directory |
An Chomhairle Leabharlanna (Dept. of the Environment, Community and Local Government) |
Free |
Ireland |
Thom's Irish Almanac and Official Directory late 19th century - early/mid 20th century |