Before opening a family history website, write down what is already known: names, approximate dates, family relationships and, best of all, a townland. Keep spelling variations. A name without a place can lead you to the wrong family very quickly.
For 1901 and 1911, search the National Archives census collections, and use the separate 1926 Irish Free State census where relevant. Compare the original household images instead of relying only on search result snippets.
Longford Library dates the county’s Griffith’s Valuation to 1854. It is valuable for occupiers and lessors but it does not identify all members of a household. For earlier agricultural holdings, consider tithe books from 1823–37.
Civil registration and church registers fill different gaps. Irish civil records begin at different dates for different event types; Catholic parish registers and Church of Ireland sources have varying survival and coverage.
The local collections can fill out the picture: cemetery registers, maps, newspapers and estate records may show where a family lived and worked. If two records look like a match but do not quite agree, keep the question open until you find another clue.
Putting the records together
Build a dated family timeline, search census households, match civil and church entries, then use valuation and old maps to locate residences. Include the archive link and record reference beside every finding.
When stuck, shift from the individual to siblings, witnesses and neighbours in the same townland. Comparing several linked records is stronger than accepting one matching surname.
Common traps
A nineteenth-century valuation does not prove ownership; an unrecorded burial does not mean there was no burial; and a family legend is a valuable lead, not a verified fact.
Not all records are digitised or free. Some research requires the Local Studies reading room or paid specialist collections.