My name is David Gibson Orr and I have some details of our mutual ancestor.
I know James C. Gibson died in Georgetown BG in July 1948 and was plantation manager of Bookers plantations in what was then British Guyana. He had the first car in Guyana - a Rootes and Venebles 1902 model.
Hi wife Isabella Gowans Gibson (nee Duncan) died in Trinidad in January 1940
They had 4 daughters Margaret Jean; Dorothy; Nora and Katherine Isobel.
Who of those are you related to?