This family has some of your names. Don't see them in the 1861 census.
1851 Census Patrick Parish
District 2 Entry 54
Durlish Cashin
John Leece head 38 farms 40 acres b Arbory
Catherine 43 b Castletown
Ann 13 scholar b Arbory
Elizabeth 10 scholar b Arbory
John 8 scholar b Arbory
Henry 6 b Arbory

John Leece md Catherine Comish 27 Nov 1837 Arbory
John Leece ch 4 Jul 1842 Arbory