Henry Stiles (on pages 208-210) seems to be the published source of the Cambridgshire / Yorkshire / Rich Cheesmonger theory quoted by all other derivative works on Elsworth family history, yet Stiles admits his own work is itself derivative of other non-primary sources. He does detail a plausible provenance (pages 209 and footnote 6 of page 219) of where this information could have come from, yet so far I have not uncovered any substantiation for the Cambridgeshire theory.
Where is this Hon Joseph Wood manuscript of 1832-3 (page 219)? Joseph Wood was Oliver Ellsworth’s son in law, and presumably would have conversed with his father in law about his trip abroad. Finding it and reviewing it might yield new clues or sources to additional genealogical information.
The manuscript notes of Oliver Ellsworth Jr, prepared in 1802 (page 209), would be very helpful if they could be found, as Oliver Ellsworth’s trip to England following his stint as ambassador to France seems to be the only identifiable source of information implicating the Yorkshire / Elsworth Cambridgeshire region as the familial source.
Any family letters written by Oliver Ellsworth during the time he was in England in 1800-1801 might also yield further helpful information. So far I have not found any such letters, other than Oliver’s letter detailing the travel arrangements for his trip home, found in the Connecticut State Historical Society. Ellsworth family bibles from this time period would also be helpful, as they would presumably detail some of Oliver Ellsworth’s findings.
Who is the Rich Cheesemonger of London? That he allegedly claims a relation to Oliver Ellsworth is very intriguing. Further inquiry into cheesemongers or Elsworths of London in the early 1800’s might be fruitful.
Please contact me if you have any questions regarding this research, or if you have additional information which would be helpful breaking through my brick wall.