Married Lucy Anne Brown 21 October 1865 at Australia
Children.
- Elizabeth Ann Derrick  b.1866 at Dunolly, Victoria, m.1899 at St Arnaud, Victoria,
- Isabelle May Derrick  b.17 May 1868 at Dunolly, Victoria, Australia, m.03 Mar 1894 at Melbourne, Australia, 4 Children.
- George Derrick  b.1870 at Stuart Mill, Victoria, m.1903 at Stuart Mill, Victoria, d.1937 at St Arnaud, Victoria, 6 Children.
- Helen Derrick  b.1872 at Stuart Mill, Victoria, m.1892 at Stuart Mill, Victoria, d.1939 at Coburg, Victoria, 10 Children.
- Charles Derrick  b.1875 at Stuart Mill, Victoria, m.1907, d.02 May 1959 at Toolamba, Victoria, 6 Children.
- William Henry Derrick  b.1877 at Stuart Mill, Victoria, m.1915, d.1962 at Wont?, Victoria,
- Phillip Derrick  b.1881 at Stuart Mill, Victoria, m.1902, 6 Children.
- Caroline Derrick  b.09 Feb 1882 at Stuart Mill, Australia, m.20 Dec 1905 at Williamstown, Victoria, Australia, d.02 Nov 1948 at Koondrook, New South Wales, Australia, 8 Children.
- James Derrick  b.1885 at Stuart Mill, Victoria,
- Elsie Derrick  b.ABT 1891, d.1964 at Elsternwick, Victoria,
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