There are NO MI's for Hugh or Jane.
However, I did discover that they are buried in the same grave along with 2 sons

Grave #323 Braddan (note Stafford in-laws in grave #324)
Hugh age 40 buried 8 Jun 1869
Hugh age 19 buried 15 Mar 1878
Jane age 52 buried12 Feb 1875
James age 22 buried 12 Feb 1875

1851 Douglas Census
17 Bigwell Lane
Hugh Quayle head married 59 mason b Michael
Margaret wife married 64 b Braddan
Jane dau unmarried 25 seamstress b Braddan
Mary dau unmarried 23 b Braddan
Hugh unmarried 21 apprentice whitesmith b Braddan

1851 Douglas Census
3 Athol Street
James Stafford head married 58 gardener b Scotland
Jane wife married 53 b Scotland
James son unmarried 24 b Scotland
William son unmarried 20 printer b Scotland
1851 Braddan
02,08,049,MOORE,John,Pulrose House,Head,Married,32,Landed Propr,Braddan,Braddan
02,08,049,MOORE,Margt,Pulrose House,Wife,Married,30,,Scotland,Braddan
02,08,049,MOORE,John Thos,Pulrose House,Son,,10,Scholar,Braddan,Braddan
02,08,049,MOORE,Euphemia,Pulrose House,Daughter,,1,,Braddan,Braddan
02,08,049,CRAINE,Margt,Pulrose House,Mother in Law,Widow,66,,Scotland,Braddan
02,08,049,CRAINE,John Lee,Pulrose House,Bro in Law,Unmarried,29,Mer Cap,Scotland,Braddan
02,08,049,HALE,Agnes E,Spring Valley House,Daughter,,7,Scholar,England,Braddan
02,08,049,LAUNSTRING,Elizth,Pulrose House,Servant,Unmarried,18,Housemaid,Malew,Braddan
02,08,049,QUIRK,Ann,Pulrose House,Servant,Unmarried,24,Nurse,Marown,Braddan
02,08,049,STAFFORD,Jane,Pulrose House,Servant,Unmarried,24,Cook,Scotland,Braddan

1861 Census Index
Douglas 2 165
QUAYLE

Hugh 31 b Douglas
Jane 34 b Scotland
Jane 6 b Douglas
Margaret 5 b Douglas
Hugh 2 b England
James 11/12 b Douglas

Hugh Quayle and Jane Stafford md 10 Dec 1853 Braddan

1871 Census Index
Douglas 2 111
QUAYLE
Jane 50 b Scotland
Jane 16 b Douglas
Hugh 12 b England
James 10 b Douglas

Braddan MI
Section One Block 1
#324
In affectionate remembrance of James Stafford late of Wigtownshire, Scotland who departed this life July the 20th 1870 aged 78 years
also Jane Stafford wife of the above who departed this life September the 18th 1870 aged 74 years
also Thomas son of the above who deid September the 9th 1843 aged 15 years
also Hew Fergusson Kennedy Stafford son of the above who died September the 10th 1842 aged 10 years
also James Stafford son of the above who died July 6th 1905 aged 80 years
also Elizabeth wife of the above died 9th Nov 1916 aged 91 years
Erected by their son James Stafford