Hello
There is this possibility ... perhaps a second marriage considering children's ages?
1841 - Laurel Tree, Bayham Street, St Pancras Marylebeone
James Gibson 40 Professor of ? forte, b. S (Scotland)
Elizabeth 30 Not Born in County
William 15
Robert 8
Thomas 6
James 4
All children Born in County
HO107/681/1
Folio: 24
Page: 42
Perhaps someone else might be able to to read the occupation.
Regards
Biker