The eldest sibling of James McCreath and Margaret Craig, John McCreath was in the wine and spirit business and lived in Johnstone, Renfrewshire. John McCreath married Elizabeth Walker. They had 7 children, 5 sons and two daughters: 

James McCreath born 1841. Married Margaret McIntyre.

Agnes McCreath  born 1843. Married John McTaggart.

Margaret McCreath born 1847. Married Donald McLean.

John McCreath  born 1849. John, an Engineer, died of Pulmonary Consumption, age, 23, on 25 November 1871 at Church Street, Johnstone. He was unmarried.

William McCreath born 1851. Married Jane Finlay Thomson.

Thomas McCreath born 1855. Married Annie Mary Kidwell.

Robert Walker McCreath born November 1857.  Died 1 December 1857, when only a few weeks old.

Documenting the family of James McCreath and Margaret McIntyre was only possible through the collaboration of family Members Jackie Medicks, Mike McCreath and Barbara Moebus.