Shane,
It is Michael Donohoe, yes.
Look at, for example, plots 7 and 8, however. 8 is meant to be 41 acres, and 7 about half is size. Yet plot 7 (A, B and C) takes up about 40% of the entire townland!
Assuming he numbers - but not the boundaries - have changed, it should be possible to deal with this by elimination, I suppose.
Unless there's a handy reference guide around that doesn't involve me having to travel to Dublin...?