The Third Lyons ministry (United AustraliaCountry Coalition) was the 22nd ministry of the Government of Australia. It was led by the country's 10th Prime Minister, Joseph Lyons. The Third Lyons ministry succeeded the Second Lyons ministry, which dissolved on 9 November 1934 after Lyons entered into a formal Coalition with Earle Page and his Country Party; the second such coalition after that of the Bruce government. The ministry was replaced by the Fourth Lyons ministry on 29 November 1937 following the 1937 federal election.

Robert Menzies, who died in 1978, was the last surviving member of the Third Lyons ministry; Menzies was also the last surviving member of the Second Lyons ministry. Harold Thorby was the last surviving Country minister.

Ministry

PartyMinisterPortraitPortfolio
United AustraliaJoseph Lyons (1879–1939) MP for Wilmot (1929–1939)Prime Minister Leader of the United Australia Party Treasurer (to 3 October 1935) Vice-President of the Executive Council (from 8 November 1935) Minister for Health (from 8 November 1935 to 26 February 1936) Minister for Repatriation (from 8 November 1935 to 6 February 1936) Minister for Defence (from 20 November 1937)
CountryEarle Page (1880–1961) MP for Cowper (1919–1961)Leader of the Country Party Minister for Commerce
United AustraliaRobert Menzies (1894–1978) MP for Kooyong (1934–1966)Deputy Leader of the United Australia Party (from 5 December 1935) Attorney-General Minister for Industry
United AustraliaSir George Pearce (1870–1952) Senator for Western Australia (1901–1938)Minister for External Affairs Minister in charge of Territories Leader of the Government in the Senate
United AustraliaArchdale Parkhill (1878–1947) MP for Warringah (1927–1937)Minister for Defence (to 20 November 1937)
CountryThomas Paterson (1882–1952) MP for Gippsland (1922–1943)Deputy Leader of the Country Party (to 27 November 1937) Minister for the Interior
United AustraliaAlexander McLachlan (1872–1956) Senator for South Australia (1926–1944)Postmaster-General Minister in charge of Development and Scientific and Industrial Research
United AustraliaThomas White DFC VD (1888–1957) MP for Balaclava (1929–1951)Minister for Trade and Customs
United AustraliaRichard Casey (1890–1976) MP for Corio (1931–1940)Assistant Treasurer (to 3 October 1935) Treasurer (from 3 October 1935)
United AustraliaBilly Hughes (1862–1952) MP for North Sydney (1922–1949)Vice-President of the Executive Council (to 6 November 1935) Minister for Health (to 6 November 1935; from 26 February 1936) Minister for Repatriation (to 6 November 1935; from 6 February 1936)
United AustraliaCharles Marr (1880–1960) MP for Parkes (1931–1943)Minister without portfolio (to 31 December 1934)
United AustraliaSir Henry Gullett (1878–1940) MP for Henty (1925–1940)Minister without portfolio directing negotiations for trade treaties (to 11 March 1937)
United AustraliaTom Brennan (1866–1944) Senator for Victoria (1931–1938)Minister without portfolio assisting the Minister for Industry Minister without portfolio assisting the Minister for Commerce
CountryHarold Thorby (1888–1973) MP for Calare (1931–1940)Deputy Leader of the Country Party (from 27 November 1937) Minister without portfolio assisting the Minister for Repatriation (to 1 September 1935) Minister without portfolio in charge of War Service Homes (to 11 September 1936) Minister without portfolio assisting the Minister for Commerce (from 1 September 1935)
CountryJames Hunter (1882–1968) MP for Maranoa (1921–1940)Minister without portfolio representing the Postmaster-General in the House of Representatives (to 11 September 1935) Minister without portfolio assisting the Minister for Repatriation (from 1 September 1935) Minister without portfolio assisting the Minister for the Interior (from 23 September 1935) Minister without portfolio in charge of War Service Homes (from 11 September 1936) Minister without portfolio assisting the Minister for Commerce (from 18 March 1937 to 25 July 1937)

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