John George Kincaid of John G. Kincaid and Co
c.1841 Born in Greenock, son of Thomas Kincaid, merchant.
1868 Established his business John G. Kincaid and Co in Greenock
1875 Engineer of Greenock, married Margaret Garrison Scott in Kirtlington, Oxford[1]
1881 Marine Engineer, Master Employing 144 Men 46 Boys, lived in Greenock with Margaret G Kincaid 26, Thomas L. Kincaid 4, James S. Kincaid 3, John G Kincaid 1 Month[2]
1891 Steam engine maker[3]
1901 Marine engineer, living in Greenock, with Margaret G Kincaid 46, John G Kincaid Jr 20, Randal G Kincaid 8[4]
1924 John George Kincaid, of Westhorpe, 44 Newark Street, Greenock, died on 26th April, aged 83, leaving personal estate valued for probate at £139,853 18s 10d.[5]