I can't find a Malew/Castletown burial in 1839 - is it James Kelly (mason) in 1837 - there is a potential Isabella Kelly on the Green (ie other side of river) in 1841 - poorly written and mistranscribed? by Brian Lawson in his index - there is no will for this James Kelly which possibly means he gave away all his land etc there is a Castletown deed of a James Kelly to ?son John Kelly aof this date but as yet I've not looked at it

Where did you find John Kelly?