Feltham recorded most (except Braddan) MI's extant before 1798 - see manxnotebook - as you don't give children is it the following (or are these the children?) Thomas Caine will 1765
3 surviving ch thos wm robt;all ua thos curghy uncle; 1770 thos caine chooses gfa wm leece & thos curghey as supv; 1779 thos & w ack from step father john kermod;wife ellinor + new husb (of renshant) petition
John Kermod's m to ellinor caine als leece of malew is in my Marown marraiges
thomas caine m Ellinor Leese Bra 17541130 - so probably born c1730