Thomas Gill (23 February 1849 – 21 July 1923) CMG ISO was a public servant in South Australia who served as Under-Treasurer from 1894 to 1920.
In 1878 he was appointed to the Agent-General's Office, London,[2] where he uncovered some valuable information regarding the way interest on the public debt of the colony was paid, resulting in significant savings.
[4] Gill and Peter Whitington were in 1922 appointed as a commission to enquire into the public service to identify savings and means of simplifying and improving procedures.
He compiled and published a Bibliography of South Australia in 1886, a History and Topography of Glen Osmond in 1902,[7] and a biography of Colonel William Light in 1911.
Their children were: Walter Gill FLS (1851–1929), forestry administrator, for many years at Wirrabara, South Australia, has been described as a brother.