Check John & Isabella Quine in 1891 at 12 Melbourne St. Douglas
John Quine Mar 35 b Braddan
Isabella A wife 32 b Douglas
Jane dau 10 b Douglas
George son 7 b Douglas
Thomas J son 5 b Douglas
Annie I dau 3 b Douglas
John F 5 mos b Douglas

BL has no record of a marriage but does have following births to John Quine and Isabella Skillicorn in Douglas:

George 25 Sep 1883
Thomas James 25 Mar 1886
Annie Isabella 13 Apr 1888
John Frank 17 Oct 1890