Hi NDRFT
You have to remember that at the time of the 1861 census Thomas was 80 years old and possibly not working.
My thoughts were that as a young man in the late 1700s he left Oxfordshire to seek work on the canals and later met his wife, Catherine (although she is 10 years younger and may have been his second wife). She was born in Tipton.
What surprises me is that he doesn't appear on the 1851 census at all.
His son John (at least we assume he had a son called John), John's son William, John's grandson and great grandson were all boatmen until the great grandson became a Drayman.
It would be so much easier if the Georgians and Victorians used random or unusual names, but since several branches of the family all used the same names with the odd different one thrown in occasionally, it makes tracking them down so difficult.
Perhaps Thomas, like William and Thomas, his grandsons, was born whilst travelling and his 'home' was Tipton, but somehow I don't feel this is right - were people living on barges in 1781?
Mary Jane