james was possibly son of John Cowill + Ann Kinley m lonan 17810106 (in unfilmed Bishops Transcripts) - both of loan wittnesses phil fargher;thos quark.
Ann bur Lonan 17980311 will has d 6 mar 1798;w/o john;son john;5 ch james,margt,ann,isable + jane (but doesn't confirm maiden name - John prob d 1812

I can't find a bapt for Ann however - would expect her birth c.1758
John might well be son of Gilbert Cowell + Margt Crellin (John mentioned in both mo's + fa's wills but no confirmation re children - possibly first son John dead by mo's will)