1970-1972
Members of Council:
- George C. Wardrope - Resigned September 13, 1970
- Michael Hennessy
- Grace Remus
- Donald J. Lenardon
- Edgar Laprade - Resigned February 15, 1972
- Walter M. Assef
- Hugh J. Cook
- Wallace E. Bryan - Resigned March 23, 1970
- George H. Lovelady - Resigned February 15, 1972
- Charles M. Johnston
- Hubert Badanai - Resigned February 15, 1972
- William M. Morgan
- Donald G. Aedy - Appointed April 13, 1970
- Thomas J. Jones - Appointed September 14, 1970; Resigned February 15, 1972
- Taras Kozyra - Elected May 29, 1972
- Paul Inksetter - Elected May 29, 1972
- Edgar Laprade - Elected May 29, 1972
- Florence Koss - Elected May 29. 1972
1973 & 1974
Members of Council:
- Mickey Hennessy - Fort William
- Grace A. Remus - Fort William
- Don Adey - Fort William
- Hugh J. Cook - Fort William - Resigned March 31, 1974
- Dale Willoughby - Fort William
- Larry Baarts - Fort William - Appointed April 1, 1974
- Taras Kozyra - McIntyre
- Roberta Taylor - Neebing
- Charles M. Johnston - Port Arthur
- Edward V. Anten - Port Arthur
- Bill Morgan - Port Arthur
- Paul Inksetter - Port Arthur
- Don Lenardon - Port Arthur - Resigned July 31, 1974
- Florence Koss - Port Arthur - Appointed August 1, 1974
1975 & 1976
Mayor Walter Assef
Members of Council:
- Mickey Hennessy - Fort William
- Grace Remus - Fort William
- Edward V. Anten - Fort William
- Larry M. Baarts - Fort William
- Dale Willoughby - Fort William
- Taras Kozrya - McIntyre
- Robert (Robbie) Taylor - Neebing - Resigned August 13, 1975
- Mario Tocheri - Neebing - Appointed August 14, 1975
- Herman Scamati - Port Arthur
- Paul Inksetter - Port Arthur
- Dusty Miller - Port Arthur
- Bill Morgan - Port Arthur
- Florence Koss - Port Arthur
1977 & 1978
Mayor Walter Assef
Members of Council:
- Kenneth R. Tilson - Current River
- Charles Johnston - Current River
- Dusty Miller - Red River
- Bill Morgan - Red River - Resigned October 31, 1977
- John P. Packota - Red River - Appointed November 7, 1977
- Mickey Hennessy - McKellar - Resigned June 23, 1977
- Lawrence Timko - McKellar
- Eleanor Morin - McKellar - Appointed June 23, 1977
- Taras Kozyra - Dawson - Resigned June 30, 1978
- Joe Vanderwees - Dawson - Appointed June 29, 1978
- Dale Willoughby - Northwood
- Romeo Lovis - Northwood
- Rene Larson - Westfort
- Curley W. P. McLean - Westfort - Deceased May 1978
- Michael Chicorli - Westfort - Appointed May 23, 1978
- Don Smith - Kam River
Note: Thunder Bay Council for 1979 appears with the '1979 & 1980 City Council' under 1980s
