The function of Parliamentary Secretary in Canada was created on 1 April 1943 as Parliamentary Assistant and on 4 June 1959 the office of Parliamentary Secretary was created to replace that of Parliamentary Assistant. They are not members of the Cabinet, nor the ministry.

Sixteenth Canadian ministry Parliamentary Assistant to the Minister of Agriculture 30 October 1947 – 15 November 1948: Robert McCubbin Parliamentary Assistant to the Secretary of State for External Affairs 30 October 1947 – 15 November 1948: Walter Edward Harris Parliamentary Assistant to the Minister of Finance 1 April 1943 – 7 March 1945: Douglas Abbott 25 September 1945 – 10 June 1948: Robert Mayhew 30 October 1947 – 15 November 1948: Gleason Belzile Parliamentary Assistant to the Minister of Fisheries 22 April 1948 – 10 June 1948: Thomas Reid 11 June 1948 – 15 November 1948: John Watson MacNaught Parliamentary Assistant to the Minister of Justice and Attorney General 6 May 1943 – 30 November 1944: Joseph Jean Parliamentary Assistant to the Minister of Labour 7 May 1943 – 16 April 1945: Paul Martin Sr. 30 October 1947 – 15 November 1948: Paul-Émile Côté Parliamentary Assistant to the Minister of Munitions and Supply 1 April 1943 – 16 April 1945: Lionel Chevrier Parliamentary Assistant to the Minister of National Defence 1 April 1943 – 14 November 1944: William Chisholm Macdonald 8 March 1945 – 16 April 1945: Douglas Abbott 25 September 1945 – 15 November 1948: Hugues Lapointe 25 September 1945 – 19 November 1946: William Chisholm Macdonald Parliamentary Assistant to the Minister of National Defence for Air 1 April 1943 – 6 June 1946: Cyrus Macmillan Parliamentary Assistant to the Minister of National Health and Welfare 30 October 1947 – 15 November 1948: Ralph Maybank Parliamentary Assistant to the Minister of National Revenue 30 October 1947 – 10 June 1948: Robert Winters 11 June 1948 – 15 November 1948: Thomas Reid Parliamentary Assistant to the President of the Privy Council 6 May 1943 – 12 October 1944: Brooke Claxton Parliamentary Assistant to the Minister of Reconstruction 28 September 1945 – 31 December 1945: George McIlraith Parliamentary Assistant to the Minister of Reconstruction and Supply 1 January 1946 – 15 November 1948: George McIlraith Parliamentary Assistant to the Minister of Trade and Commerce 3 February 1948 – 15 November 1948: George McIlraith Parliamentary Assistant to the Minister of Transport 11 June 1948 – 15 November 1948: Robert Winters Parliamentary Assistant to the Minister of Veterans Affairs 27 September 1945 – 21 April 1948: Walter Tucker 11 June 1948 – 15 November 1948: Leslie Mutch

Seventeenth Canadian ministry Parliamentary Assistant to the Prime Minister 15 November 1948 – 17 January 1950: Walter Edward Harris 25 August 1953 – 12 April 1957: William Gilbert Weir Parliamentary Assistant to the Minister of Agriculture 15 November 1948 – 12 April 1957: Robert McCubbin Parliamentary Assistant to the Minister of Defence Production 1 April 1951 – 13 June 1953: George McIlraith 27 August 1953 – 12 April 1957: John Dickey Parliamentary Assistant to the Minister of External Affairs 19 January 1949 – 23 August 1949: Hugues Lapointe 24 January 1951 – 31 December 1952: Jean Lesage 14 October 1953 – 30 June 1954: Roch Pinard 9 February 1956 – 12 April 1957: Lucien Cardin Parliamentary Assistant to the Minister of Finance 15 November 1948 – 25 July 1950: Gleason Belzile 19 January 1949 – 14 October 1952: James Sinclair 1 January 1953 – 16 September 1953: Jean Lesage 14 October 1953 – 12 April 1957: William Moore Benidickson Parliamentary Assistant to the Minister of Fisheries 15 November 1948 – 12 April 1957: John Watson MacNaught Parliamentary Assistant to the Minister of Labour 15 November 1948 – 31 December 1953: Paul-Émile Côté 9 February 1956 – 12 April 1957: Joseph-Adéodat Blanchette Parliamentary Assistant to the Minister of Mines and Resources 15 November 1948 – 17 January 1950: Ralph Maybank Parliamentary Assistant to the Minister of Mines and Technical Surveys 18 January 1950 – 23 January 1951: Ralph Maybank Parliamentary Assistant to the Minister of National Defence 15 November 1948 – 18 January 1949: Hugues Lapointe 19 January 1949 – 30 April 1949: Loran Ellis Baker 19 January 1949 – 8 February 1956: Joseph-Adéodat Blanchette 24 January 1951 – 14 October 1952: Ralph Campney 9 February 1956 – 12 April 1957: Paul Hellyer Parliamentary Assistant to the Minister of National Health and Welfare 15 November 1948 – 24 January 1949: Ralph Maybank 25 January 1949 – 6 September 1949: Thomas Reid 24 January 1951 – 13 June 1953: Emmett McCusker 14 October 1953 – 12 April 1957: Frederick Robertson Parliamentary Assistant to the Minister of National Revenue 15 November 1948 – 24 January 1949: Thomas Reid Parliamentary Assistant to the Postmaster General 24 January 1951 – 13 October 1953: Léopold Langlois 14 October 1953 – 12 April 1957: Thomas Andrew Murray Kirk Parliamentary Assistant to the Minister of Public Works 14 October 1953 – 12 April 1957: Maurice Bourget Parliamentary Assistant to the Minister of Resources and Development 1 February 1950 – 12 December 1950: George Prudham 24 January 1951 – 30 July 1951: Ralph Maybank Parliamentary Assistant to the Minister of Trade and Commerce 15 November 1948 – 13 June 1953: George McIlraith Parliamentary Assistant to the Minister of Transport 24 January 1951 – 13 September 1953: William Moore Benidickson 14 October 1953 – 12 April 1957: Léopold Langlois Parliamentary Assistant to the Minister of Veterans Affairs 15 November 1948 – 13 June 1953: Leslie Mutch 14 October 1953 – 12 April 1957: Colin Emerson Bennett

Eighteenth Canadian ministry (to 1959, Parliamentary Assistant) Parliamentary Assistant to the Prime Minister 19 August 1957 – 9 January 1958: Wally Nesbitt Became Parliamentary Secretary to the Prime Minister Parliamentary Secretary to the Prime Minister Was Parliamentary Assistant to the Prime Minister 18 November 1959 – 17 November 1961: Paul Martineau 18 November 1960 – 19 April 1962: John Pallett 18 January 1962 – 6 February 1963: Théogène Ricard 17 August 1962 – 6 February 1963: Ged Baldwin Parliamentary Assistant to the Minister of Agriculture 7 August 1957 – 1 February 1958: John A. Charlton Became Parliamentary Secretary to the Minister of Agriculture Parliamentary Secretary to the Minister of Agriculture Was Parliamentary Assistant to the Minister of Agriculture 18 November 1959 – 17 November 1961: Elston Cardiff 18 October 1960 – 6 February 1963: Warner Jorgenson 18 January 1962 – 19 April 1962: John A. Charlton 17 August 1962 – 6 February 1963: Louis-Joseph Pigeon Parliamentary Assistant to the Minister of Citizenship and Immigration 6 November 1957 – 1 February 1958: John Borden Hamilton Became Parliamentary Secretary to the Minister of Citizenship and Immigration Parliamentary Secretary to the Minister of Citizenship and Immigration Was Parliamentary Assistant to the Minister of Citizenship and Immigration 18 November 1959 – 17 November 1961: John A. Charlton 17 August 1962 – 6 February 1963: Frank Charles McGee Parliamentary Assistant to the Minister of External Affairs 10 January 1958 – 1 February 1958: Wally Nesbitt Became Parliamentary Secretary to the Minister of External Affairs Parliamentary Secretary to the Minister of External Affairs Was Parliamentary Assistant to the Minister of External Affairs 1 September 1959 – 17 November 1961: Wally Nesbitt 17 August 1962 – 6 February 1963: Heath MacQuarrie Parliamentary Assistant to the Minister of Finance 19 August 1957 – 1 February 1958: Dick Bell Became Parliamentary Secretary to the Minister of Finance Parliamentary Secretary to the Minister of Finance Was Parliamentary Assistant to the Minister of Finance 18 November 1959 – 19 April 1962: Dick Bell 17 August 1962 – 6 February 1963: Heward Grafftey Parliamentary Secretary to the Minister of Fisheries 18 November 1959 – 19 April 1962: Roland English 17 August 1962 – 6 February 1963: Albert McPhillips Parliamentary Assistant to the Minister of Justice 19 August 1957 – 1 February 1958: David James Walker Became Parliamentary Secretary to the Minister of Justice Parliamentary Secretary to the Minister of Justice Was Parliamentary Assistant to the Minister of Justice 18 November 1959 – 6 February 1963: Thomas Miller Bell Parliamentary Assistant to the Minister of Labour 7 August 1957 – 1 February 1958: Arthur Maloney Became Parliamentary Secretary to the Minister of Labour Parliamentary Secretary to the Minister of Labour Was Parliamentary Assistant to the Minister of Labour 18 November 1959 – 19 April 1962: Richard Thrasher 17 August 1962 – 6 February 1963: Alfred Hales Parliamentary Assistant to the Minister of Mines and Technical Surveys 7 August 1957 – 1 February 1958: Raymond O'Hurley Became Parliamentary Secretary to the Minister of Mines and Technical Surveys Parliamentary Secretary to the Minister of Mines and Technical Surveys Was Parliamentary Assistant to the Minister of Mines and Technical Surveys 17 August 1962 – 6 February 1963: James Aloysius McGrath Parliamentary Assistant to the Minister of National Defence 7 August 1957 – 1 February 1958: Marcel Lambert Became Parliamentary Secretary to the Minister of National Defence Parliamentary Secretary to the Minister of National Defence Was Parliamentary Assistant to the Minister of National Defence 18 November 1959 – 19 April 1962: Egan Chambers Parliamentary Assistant to the Minister of National Health and Welfare 7 August 1957 – 1 February 1958: Ernest Halpenny Became Parliamentary Secretary to the Minister of National Health and Welfare Parliamentary Secretary to the Minister of National Health and Welfare Was Parliamentary Assistant to the Minister of National Health and Welfare 18 January 1962 – 19 April 1962: Elston Cardiff 17 August 1962 – 6 February 1963: Jean Casselman Wadds Parliamentary Secretary to the Minister of National Revenue 18 November 1959 – 19 April 1962: Marcel Lambert Parliamentary Secretary to the Postmaster General 18 November 1959 – 17 November 1960: Edmund L. Morris Parliamentary Assistant to the Minister of Public Works 7 August 1957 – 1 February 1958: Clayton Hodgson Became Parliamentary Secretary to the Minister of Public Works Parliamentary Secretary to the Minister of Public Works Was Parliamentary Assistant to the Minister of Public Works 18 November 1959 – 19 April 1962: Yvon Tassé 17 August 1962 – 6 February 1963: Robert McCleave Parliamentary Assistant to the Minister of Trade and Commerce 7 August 1957 – 9 January 1958: Thomas Miller Bell Became Parliamentary Secretary to the Minister of Trade and Commerce Parliamentary Secretary to the Minister of Trade and Commerce Was Parliamentary Assistant to the Minister of Trade and Commerce 18 November 1959 – 17 November 1960: John Pallett 18 October 1960 – 19 April 1962: Edmund L. Morris 17 August 1962 – 6 February 1963: Wally Nesbitt Parliamentary Assistant to the Minister of Transport 7 August 1957 – 1 February 1958: Angus Ronald Macdonald Became Parliamentary Secretary to the Minister of Transport Parliamentary Secretary to the Minister of Transport Was Parliamentary Assistant to the Minister of Transport 18 November 1959 – 17 November 1961: Clayton Hodgson 18 November 1961 – 19 April 1962: Quinto Martini 17 August 1962 – 6 February 1963: James Alexander McBain Parliamentary Assistant to the Minister of Veterans Affairs 19 August 1957 – 1 February 1958: Walter Dinsdale Became Parliamentary Secretary to the Minister of Veterans Affairs Parliamentary Secretary to the Minister of Veterans Affairs Was Parliamentary Assistant to the Minister of Veterans Affairs 18 November 1959 – 10 October 1960: Walter Dinsdale 16 November 1960 – 6 February 1963: Henry Frank Jones

Nineteenth Canadian ministry Parliamentary Secretary to the Prime Minister 14 May 1963 – 19 February 1964: Alexis Caron 14 May 1963 – 8 September 1965: Jack Davis