|Type of person||Individual|
|Date of birth||1841|
|Place of birth||Either Walkerville or Cherry Gardens, South Australia|
|Principal occupation||Farmer at Willunga and Aldinga|
|Date of death||1911|
|Place of decease||Aldinga, South Australia|
Henry (Harry) Illman (1841–1911) was the third of five sons of John Illman (1802-1860) and Sophia Caroline Dadswell (1814-1885). He was born at either Walkerville or Cherry Gardens, South Australia, on 9 Feb 1841.
Harry was a farmer at Willunga and Aldinga.
Harry Illman, aged 25 years, married Mary Riseborough, aged 21 years(1845-1936), at the residence of James Riseborough, Aldinga on 17 May 1866. They had 7 children (2 boys and 5 girls):
Hester Ann (1867-1953) b. at Willunga, m. Roderick Colin McKenzie on 23 Oct 1888 at the Registry Office in Adelaide, d. at Aldinga, buried in Aldinga Uniting Cemetery.
Rhoda Caroline (1869-1956) b. at Willunga, unmarried, lived at Aldinga, d. at Aldinga, buried in Aldinga Uniting Cemetery.
Julia May (1871-1952) b. at Willunga, m. Charles Sampson (1867-1944), lived at Aldinga, d. at Aldinga, buried in Aldinga Uniting Cemetery.
Louisa Ann (1873-1906) b. at Willunga, d. at Karina.
John Herbert James (1877-1907) b. at Aldinga, d. at Katanning, WA, buried in Aldinga Uniting Cemetery.
Harry Ernest (1880-1934) b. at Willunga, m. Clara Marion Sutherland in 1905 at Katanning, WA, d. at Laverton, WA, buried in Aldinga Uniting Cemetery.
Thirza Alice Beatrice (1882-1936) b. at Aldinga, m. Hedley Dyer (1881-1931) in 1909, buried in Aldinga Uniting Cemetery.
Harry Illman, aged 70 years, died on 30 Sept 1911 at Aldinga and Mary Illman (nee Riseborough), aged 91 years, died on 19 Nov 1936.
- South Australian Births – Index of Registrations 1842-1906
- South Australian Marriages – Index of Registrations 1842-1937
- South Australian Deaths – Index of Registrations 1842-1972
- The Advertiser 18 Dec 1936:20