William Clark was a labourer according to the marriage certificate of his son George in 1874. 2
William married Jane BLACK on 31 Dec 1835 in Kirkoswald, Ayrshire, Scotland. (Jane BLACK was born about 1810.)
Another record, probably for banns, is extant for this couple for 20 December 1835 at Girvan Ayrshire.
1 Family Search-donated by LDS member.
GRO Scotland, Marriage Certificate 1874 St Quivox and Newton Ayrshire.