Thomas McKay was born in 1821 in Kirkcudbrightshire, Scotland. He died on 29 June 1891 in York, Western Australia, Australia. When he was 40, he married Margaret Moore,daughter of James Moore and Christina Robertson, on 14 January 1861 in Champion Bay, Western Australia, Australia.

Convict Number: (#UNKNOWN) He was buried on 30 June 1891 in Cemetery, York, Western Australia, Australia.

Thomas McKay and Margaret Moore had the following children:

1. John McKay was born on 7 October 1861 in Wannernooka, Western Australia, Australia. He died on Deceased.
2. Margaret McKay was born in 1864 in Northampton, Western Australia, Australia. She died on 6 November 1916 in Northam, Western Australia, Australia. She married John William Rickey on 19 January 1882 in York, Western Australia, Australia (Holy Trinity Church).
3. Sarah McKay was born on 4 December 1867 in York, Western Australia, Australia. She died on 20 April 1935 in Subiaco, Western Australia, Australia. She married Joseph George Rickey on 29 November 1886 in York, Western Australia, Australia (Holy Trinity Church).
4. Janet McKay was born in 1871. She died in 1873.
5. Joseph McKay was born on 15 December 1872 in Champion Bay, Western Australia, Australia. He died on Deceased. He married Mary Anne Merrick on 20 October 1891.
6. Ellen McKay was born on 1 January 1874. She died on Deceased.
7. William McKay was born in 1876. He died on Deceased.
8. Jane McKay was born in 1878. She died on Deceased.
9. Mary McKay was born in 1880. She died on Deceased.
10. Thomas McKay was born in 1883. He died on Deceased.