Catholic parish records for Ulster
In the course of the eighteenth and nineteenth centuries the Catholic Church was able to establish new parochial structures. Since they were often based in the main on local demographics rather than on traditional boundaries, Catholic parishes do not necessarily follow the same pattern as civil and Church of Ireland parishes, and it is important for researchers to take this fact into consideration.
Very few Roman Catholic registers for Ulster pre-date 1800. Among the earliest are those for Clonleigh and Camus, straddling the border between counties Donegal and Tyrone, and Castlerahan and Munterconnaught, Castletara, Killinkere, Lurgan and Mullagh, all in County Cavan, all of which have registers starting before 1780 (but no earlier than 1750).
Unlike the records of other denominations, Catholic registers will often be in Latin, though this will generally only apply to forenames and a number of standard phrases. Baptismal registers record the names of the sponsors of the child who might be siblings of the parents or other close relatives.