We often decry the lack or remaining or available Census data for Ireland,
but there are a number of Census substitutes, other than Griffith's Valuations,
which most of us know and use. One of the best lists I have seen is at
This is just a lead in... for full details please go to the link above...
another great asset provided by The Irish Times.
Eighteenth & Nineteenth Century Census Substitutes
1703-1838: The Convert Rolls
Eileen O Byrne, Irish Manuscripts Commission, 1981. A list of those converting from Catholicism to the Church of Ireland. The bulk of the entries date from 1760 to 1790.
1740: Protestant householders
This applies to parts of Counties Antrim, Armagh, Derry, Donegal and Tyrone. Arranged by barony and parish, it gives names only. Parts are at the Public Record Office of Northern Ireland, The Genealogical Office, the National Library of Ireland and the Representative Church Body Library.
Much more available at the link above.