John McCreath (1778-1849), a Grocer and Spirit Dealer in Port Glasgow. married Margaret Park. 

John died at Port Glasgow on 4 September 1849. Margaret died some six years later on 2 September 1855

They had a family of nine, 4 daughters and 5 sons:

Ann McCreath born 22 August 1817.  Died in infancy

Margaret McCreath born 8 December 1819. Married Robert McArthur

Gilbert McCreath born 10 March 1822. Died age 28 in 1850. A Merchant Seaman.

James McCreath born 8 August 1824. Unmarried ?

Andrew Park McCreath born 2 January 1827. Married Mary McMillan

John McCreath born 7 June 1829. Died in infancy.

Jean/ Jane McCreath born 11 July 1831. Married Douglas Turner

John McCreath born 25 November 1833. Unmarried?

Elizabeth McCreath born 11 September 1837. Died young.