Whether your family left during the Famine, emigrated in the twentieth century, or you simply know your roots lie in Ireland, tracing your Irish ancestry is more achievable than ever. Here is a practical, step-by-step guide to get you started — most of it completely free.
Step 1: Start With What You Know
Before opening any database, gather what you already have. Talk to older relatives and note down family surnames, townlands or parish names, approximate dates of birth, marriage and emigration, and any stories passed down through generations. Even fragments — a county name, a family nickname, a ship — can unlock records later. Write everything down and keep a simple family tree, even a handwritten one.
Step 2: Search IrishGenealogy.ie
This is Ireland’s free, official genealogy database and should be your first port of call. It holds civil registration records from 1864 onwards (births, marriages, deaths) and Roman Catholic and Church of Ireland parish registers from the 1760s onward. The search is free, the records are digitised, and many include original images. Start with a surname and county, then narrow from there.
Step 3: Check Griffith’s Valuation (1847–1864)
Griffith’s Valuation is a land and property survey conducted between 1847 and 1864 that lists virtually every household in Ireland by townland. If your ancestors were still in Ireland during that period, they are almost certainly in it. Search it free at AskAboutIreland.ie. The results show the townland, the occupier’s name, and the landlord — incredibly useful for pinpointing where a family actually lived before emigration.
Step 4: Search the 1901 and 1911 Census
Both the 1901 and 1911 Irish Census returns are fully digitised and freely searchable at IrishGenealogy.ie. They record every person in a household — names, ages, relationship to head of household, county of birth, religion, and occupation. If your family was still in Ireland in those years, this is one of the most complete snapshots you will find. Note that earlier census records (1821–1891) were largely destroyed in 1922.
Step 5: Find the Church Parish
Before civil registration began in 1864, the vast majority of Irish births, marriages, and deaths were recorded by the local church. Most records are held by Catholic or Church of Ireland parishes. IrishGenealogy.ie holds a significant number of these, and FamilySearch.org (free) has a large collection of Irish parish registers, including many that are fully indexed. Knowing the correct townland from Griffith’s Valuation will help you identify the relevant parish.
Step 6: Search Emigration Records
Once you know roughly when and where your ancestor emigrated, emigration records can confirm their departure and arrival. Ancestry.ie holds ship passenger manifests for departures from Irish ports. For arrivals into the United States between 1892 and 1957, the Ellis Island database is free to search at libertyellisfoundation.org and includes passenger cards with places of origin. Earlier arrivals (pre-1892) can be found via Castle Garden records (also free).
Step 7: Try the GRONI Database
If your family roots are in Northern Ireland — counties Antrim, Armagh, Down, Fermanagh, Londonderry, or Tyrone — the General Register Office of Northern Ireland (GRONI) holds the relevant civil registration records. Their online database allows you to search and order historical birth, death, and marriage certificates. Records are separate from those in the Republic and worth checking independently.
Step 8: DNA Testing
DNA testing has transformed Irish genealogy research in the past decade. Tests from AncestryDNA and 23andMe identify living cousins who share your DNA — and many Irish diaspora families have multiple matches who have already done significant research. Irish DNA clusters are among the best-documented in the world. A DNA test will not tell you a specific surname or townland, but it can connect you to cousins who already know the answer, and confirm or challenge documentary research.
Key Free Resources
- IrishGenealogy.ie — Civil records, parish registers, 1901 & 1911 Census (free)
- AskAboutIreland.ie — Griffith’s Valuation 1847–1864 (free)
- FamilySearch.org — Parish registers and indexed records (free)
- RootsIreland.ie — County genealogy centres with local records (paid subscription)
- GRONI — General Register Office of Northern Ireland records
- Ellis Island Database — US arrival records 1892–1957 (free)
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