if you are sure fa was john then likely to be
d/o John kewley + Martha shimmin - in 1851 at Ballacross (near Ballaquane (which is next to poortown))
Martha is likely to be dau of Philip Shimin + Margt converry bapt German 18210531

In 1841 they were at the Green Peel he was ag lab in 41, farm lab in 51 born Lezayre but there are two contenders for him