Hi Jo,
Here are the Fitzhenrys I could find in the prints from the microfilms. This should be complete - some of the pages are hard to read.
QID Quantities in Detail
RAV Real Acreable Value
Rathduff, Killanne:
John Fitzhenry (Total Quantity of Land in Holding) 16, 1, 26.5/ (Quality of Land) 3rd and 4th Grade/ (Rent Paid) 5 shillings, 8 pence.
Monomolong,Templeludigan:
James Fitzhenry (QID) 30, 3, 0/ (RAV) £1, 15 shillings
Michael Fitzhenry (QID) Same/ (RAV) £1, 12 shillings
Re: Monamolin no Fitzhenrys mentioned, but there is a Garrett Fitzgerald I dont know if this is relevant to you. No rents are mentioned for Templeludigan.
Hope this is of help

Tamsin