James Henry Cooper (1887-1963) married Gertrude Pike (1880-1969) and they had four children. He was known as Harry Cooper. These are their children:
| 1. Dorothy Gertrude COOPER, b. 28 Jan 1911, Rockhampton, Queensland, Australia, d. 7 Mar 1975, Rockhampton, Queensland, Australia (Age 64 years) | |
| 2. Douglas Henry Joseph COOPER, b. 21 Apr 1912, Rockhampton, Queensland, Australia, d. 18 Aug 1947, Rockhampton, Queensland, Australia (Age 35 years) | |
| 3. Harold William COOPER, b. 21 Oct 1913, Rockhampton, Queensland, Australia, d. 22 Jan 1945, Mt Morgan, Queensland, Australia (Age 31 years) | |
| 4. Raymond James COOPER, b. 22 Jul 1921, Rockhampton, Queensland, Australia, d. 23 Oct 2009, Yeppoon, Queensland, Australia (Age 88 years) |