William, a Mining Engineer, married Margaret Renfrew (c.1802-1884) in Paisley in January 1822.  They had a family of 13:

William McCreath I  (1822-bef. 1826), born Paisley. Presumed to have died in childhood

Catherine McCreath (1824-1905), born Hurlet nr. Paisley. Unmarried. Died 26 December 1905 at Levern House, Bothwell age 81.

William McCreath II (1826-??), Hurlet. Died in childhood.

James McCreath (1828-1910), Hurlet

Mary McCreath (1830-1906), Hurlet. Married Charles Adam, a Doctor of Medicine, on 12 October 1869 at Coatbridge. Died 3 October 1906, Bothwell.

John McCreath (1832-1914)

Margaret McCreath (c.1835-1910) Barony, Lanark

Jane McCreath (c.1837-1869) Barony Lanark

Agnes McCreath (c.1839-1884) Old Monkland

George Wilson McCreath (c.1841-??) Old Monkland

Janet (Jessie) McCreath (c.1843-??) Old Monkland

William McCreath III (c.1846-1871) Old Monkland

Annie McCreath (c.1848-??) Old Monkland

According to the 1851,1861 and 1871 Censuses , the family was resident at Drumpark Farm, Old Monkland Parish Lanarkshire. In 1851, William is listed as a Mining Engineer/ Farmer of 50 acres. Interestingly, a John Meikle (age 16), an errand boy is identified as a ‘cousin’s son’.  William McCreath, Snr. died , age 80, on 5 December 1876 at Levern House, 1 Fife Crescent, Bothwell.  His son George was the informant – residence Rosebank, Bothwell. His spouse, Margaret, died in June 1884, also at Levern House.