Irish (Location of directories) (History and content of street directories) (Online Historical Directories Website: Links to online city directories covering Canada, Ireland, United Kingdom and the United States) (Links to companies and organisations selling trade directories on CD) (Step-by-step Guide to researching Irish ancestry) (Tracing Your Ancestors in Ireland)
 (Irish Archives Resource: The site contains information about archival collections open for public research in Ireland from many organisations, societies, political organisations and businesses)
 ( Learning Center Online Genealogy Course: Getting Started in Irish Genealogy. Lecture designed to acquaint beginning genealogist with strategies and sources for getting started in Irish genealogy) (Information on Northern Irish counties and available resources) (Fianna Guide to Irish Genealogy) (Irish Genealogy Toolkit will guide you to your Irish ancestors) (A county-by-county listing of relevant records) (Family History & Research) (Research guide from GRO Ireland) (Irish Genealogy: Research in Ireland: Irish Records: What Is Available?) (Irish Genealogy: How To Start Your Family History) (Ireland genealogy links) (Information on Irish counties and available resources)
 (Irish Genealogical Research Society: Index of Townlands, 1901: Searchable database of over 64,000 townlands in Ireland which are ancient land divisions measuring from just a few acres to several hundred and still in use today) (IreAtlas Townland database) (1851 General Alphabetical Index to the Townlands and Towns, parishes and Baronies of Ireland)

Online Databases

Ulster Ancestry Free Genealogy Pages (Various transcriptions of trade directories and lists of inhabitants) (Directories & Almanacs. The collection of directories and almanacs dates back to 1783, including national, regional and local directories. National directories, like those by Pigot, Slater, and Thom, are usually organised by province. They list the principal office holders, gentry, professionals, tradesmen, hotels, schools, public institutions, churches, and even pubs for each town in Ireland) (Irish Catholic Church Directories, 1836-37. This directory lists all members of the clergy and parishes in Ireland for the years 1836 and 1837, as well as much of the Catholic hierarchy throughout the world) (Directories & Almanacs: Datasets include Dublin Directories and Directories of Ireland) (Directories & Member Lists) (Ireland, Thom’s Directory, 1904) (Irish Records Index, 1500-1920) (Digitised collection of street directories held by PRONI covering Belfast and Ulster, 1819-1900) (Various transcribed directories) (English, Scottish and Irish trade directories including Slater’s Commercial Directories and Pigot’s Directories) (Library Ireland: Digitised Street Directories and County, City & Borough Directories. The site offers free online access to a broad range of Irish related material including articles, digitised reference books and searchable databases covering Irish history, genealogy, and culture) (Cork City and County Archives: Aldwell’s Trade and Postal Directory, 1844/1845; List of Street Traders and Stall Holders in Cork City, 1928) (Some towns covered)
The Ulster Historical Foundation (Transcriptions of trades and resident directories) (Trades database) (Irish Directories)

CD Roms

Archive CD Books Ireland (Including The Post Office Dublin Directory for 1858, various editions of the Treble Almanacks and the Pettigrew & Oulton, Dublin Almanacs 1835 & 1845)
Stepping Stones (Dublin 1927 Street & Trade Directory; Ireland 1927 Peerage, List of MPs and Misc. Directories)
Stepping Stones (The 1927 Ireland Trade Directory)
S & N Genealogy Supplies
 (Ireland, Belfast and Ulster 1926 Directory)

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