Hi Again
Looking at the burial registers for St Clements, Hastings
It looks as though Thomas died as follows:
St Clements, Hastings, 6th March 1846, Thomas Hutchinson aged 81 years
One of these could have been his first wife Mary
St Clements, 1st Nov 1810, Mary Hutchinson - no age given
St Clements, 16th Aug 1812, Mary Hutchinson - no age given
Chris in 1066