in 1823 Chesterman John, flour dealer, Kirk Arbory-st Castletown - was appointed chief constable (roughly equivalent to sergeant in today's police) in 1830 (and seemed to find taking prisonors to the hulks as quite lucrative (see www.manxnotebook.com/history/police/police.htm )
Married sophia Christian d/o samuel Christian and margt brew in Malew 18120809 thus looks as though he arrived as a young man