Jane Gibbon, bapt "Jean", 15th Jan 1732 [St.Fittick's, Nigg Bay],
did not marry.
Capt. William Gibbon,
bapt 26th May 1734 [St.Fittick's, Nigg Bay, NOT 1732],
mar 18th Feb 1773 [St.Nicholas', Aberdeen]
to Isobel Young
(or Isabella or Isabel) [bapt 7th Sept 1747, Aberdeen,
dau of James Young and Rachel Cruickshank],
no issue,
"William Gibbon, shipmaster" witnessed bapts of
Capt. Robert's children 1777 through 1780,
"Capt. William Gibbon" witnessed bapts of
Capt. Robert's children 1781 through 1785,
died Apr 1818, age 83 yrs [see Ann Gibbon's diary],
bur 10th Apr 1818 at Nigg Bay, described as "Capt." at burial.
Isobel bur 8th June 1822 at Nigg Bay, age 74 yrs.
Capt. Robert Gibbon, sea captain,
born 23rd Aug 1738 [parish records], NOT 1739 [family],
bapt 29th Aug [St.Fittick's, Nigg Bay].
One Gibbon family tree lists "Ann Gibbon", died unmarried.
Perhaps this is confusion with Jane (this tree doesn't list Jane).