presume you have seen www.manxnotebook.com/fulltext/lr1916/ch13.htm
in 1863 Stopporton John, piano forte manufacturer and tuner, 12 Solway terrace Ramsey
prior to this in 1851 at 1 St Barnabas Square Douglas - don't appear in 1841 but an 11yr old Joseph buried in 1847 with two more young ch buried in lezayre + maughold post move to Ramsey then I suspect moved off Island mid/late 1860's