1851 census has a James Gibson (2) son of George Gibson
Source Information:
Ancestry.com. 1851 Census of Canada East, Canada West, New Brunswick, and Nova Scotia [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2006. 

Nov. 19, 1907 - death record of James Gibson (farmer) from Dalhousie (NB) at 66 y.o. from pnumonia. He is listed as Presbyterian.