Possibly married Flora CAMPBELL, 20 Sep 1872, in Glasgow, Lanark. But that is a very late marriage. Possibly went to New Zealand?
A Hugh WINTON died in 1884 in Mount Cook, West Coast, New Zealand.
The NZ BMD website has a Hugh Winton, died 1884, age 62. Reg#2915. That would make his birth year ca. 1822. Also at
https://www.familysearch.org/ark:/61903/1:1:Q24V-BRCFAccording to NZ electoral rolls for 1880-81, Hugh Winton, a tailor, lived in Anderston, Wakari, Otago, South Island. Note: Anderstons Road changed to Shetland Street. (still Anderstons Road in 1909 street directory). He was also there in 1875-76.
Found a Hugh Winton Findagrave MEMORIAL ID 166459137, dated 1884. Pleasant Point, Timaru District, Canterbury, New Zealand
But a Hugh Winton, tailor, is in the 1885-86 NZ Post Office Directory for Fairlie Creek, Canterbury (perhaps based on 1884 data).
An H. Winton, arrived in Aukland, from Sydney, in 1888.
A Hugh & Flora Winton had a child, Marion, born in 1876 in NZ.
https://www.familysearch.org/ark:/61903/1:1:Q24V-Z8W1They also had a son, Thomas, born 1878.
https://www.familysearch.org/ark:/61903/1:1:Q24V-X1BFA Thomas Ritchie Winton, born 1878, died 1955.
https://www.familysearch.org/ark:/61903/1:1:QG6K-SXWHLooks like Flora Winton married in 1885 to John Chalker, suggesting she was the widow of the Hugh who died in 1884.
https://www.familysearch.org/ark:/61903/1:1:Q24K-9VD6Ancestry has same in their index but bride’s name spelled “Flord”