Thomas Tyldesley 1776-1798 was the son of Thomas Tyldesley 1733-1783 and Catherine Quayle 1741-1780—and therefore the brother of Margaret Tyldesley 1774-1850. He was baptised at Arbory on 19 November 1776.
The death of Thomas Tyldesley, returning from Saint Vincent, was reported in the Oracle and Daily Advertiser on Tuesday 25 September 1798:
On the 11th inst. on board the Elizabeth, on his passage from St Vincent's, aged twenty-two, Mr Thomas Tyddesley, of the Friary, in the Isle of Man.