Hi KF,
There is a Thomas Woomble baptised on 5 Sep 1810 in Boughton - parents William & Sarah. This date fits a bit better with his census ages.
I also see his siblings:
George bap. 10 Apr 1803
William bap. 27 Apr 1806
William Wombell married Sarah Morton on 10 Aug 1801 in Boughton.
Alexander