The position of Under-Secretary of State for Dominion Affairs was a British ministerial position, subordinate to that of Secretary of State for Dominion Affairs, created in 1925 to deal with British relations with the Dominions — Canada, Australia, New Zealand, South Africa, Newfoundland, and the Irish Free State.
In 1947 the office was replaced by the Under-Secretary of State for Commonwealth Relations.
The post lasted as long as the office itself, from 1925 to 1947 with the last Permanent Under-Secretary of State for Dominion Affairs, Sir Eric Machtig, transferring in 1947 to become the Permanent Under-Secretary of State for Commonwealth Relations, jointly with A. Carter formerly of the India Office.
| Name | Entered office | Left office |
|---|---|---|
| Sir Charles Davis | 1925 | 1930 |
| Sir Edward Harding | 1930 | 1939 |
| Sir Eric Machtig (acting) | 1939 | 1940 |
| Sir Cosmo Parkinson | 1940 | 1940 |
| Sir Eric Machtig | 1940 | 1947 |
| History of UK Government Departments with Responsibility for Foreign Affairs | ||||||||
|---|---|---|---|---|---|---|---|---|
| Colonial Office 1768 – 1782 Secretaries Undersecretaries |
Home Office 1782 – 1794 Secretaries Undersecretaries |
War Office 1794 – 1801 Secretaries Undersecretaries |
War and Colonial Office 1801 – 1854 Secretaries Undersecretaries |
Colonial Office 1854 – 1925 Secretaries Undersecretaries |
Colonial Office 1925 – 1966 Secretaries Ministers Undersecretaries |
Commonwealth Office 1966 – 1968 Secretaries Ministers Undersecretaries |
Foreign and Commonwealth Office 1968 – Present Secretaries Ministers Undersecretaries |
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| Dominions Office 1925 – 1947 Secretaries Undersecretaries |
Commonwealth Relations Office 1947 – 1966 Secretaries Ministers Undersecretaries |
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| . | India Office 1858 – 1937 Secretaries Undersecretaries |
India and Burma Office 1937 – 1947 Secretaries Undersecretaries |
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| Foreign Office 1782 – 1968 Secretaries Ministers Undersecretaries |
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