Tithe Applotment Books are were compiled between 1823 and 1837 in order to determine the amount occupiers of agricultural holdings over one acre. The occupiers were due to pay tithes (taxes) to the Church of Ireland.
The National Archives has made these books available to the public.
There is a manuscript book for almost every civil (Church of Ireland) parish in Ireland. The books have the names of occupiers of each townland, the amount of land held and the sums to be paid in tithes.
A search by location shows the following for the parish of Clonmethan:
If you click on the word “search” above, you can get more detail, but below shows an example of what can be found under “Clonmethan”.