James McCreath was born in 1843. He married Janet (Jessie) Melville Paton on 11 December 1873 at Ayr. They had 5 children:
Elizabeth McCreath born about 1876. Married William Mathieson Butchart.
John Paton McCreath born 3 June 1878, Ayr. Married Margaret Chalmers
James McCreath born 17 September 1880, Ayr. No details
Robert McCreath born 15 October 1882, Ayr. Married Jessie Miller
William McCreath born 24 November 1884, Ayr. No details