Before (end of 1979)
Not known.
After (end of 1980)
Not known.
Ward results
St. Marys1 seat · turnout 40.8%
| J. Makin | Conservative | 1,654 ✓ |
| R. Trueblood | Labour | 1,549 |
| A. Trewick | LIB | 494 |
| L. Weller | Independent | 38 |
UK elections · every candidate, every vote