Hi Barry , this fits in with Thomas's death in 1843 aged 72 , Ch 1/3/1771 , Marown, to William Clucas and Margaret Quark , they were married 3/3/1764 in Marown , witnesses Thomas Clucas and James Clague.
Looks like Margaret Quark Clucas was buried Braddan , 22/11/1803
Cheers
David