| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | Plymouth Devonport (UK Parliament constituency) - MPs 1918–2010 |  |  |  |
| 3 | Election | Election | Member | Party |
| 4 | - | 1918 | Clement Kinloch-Cooke | Coalition Conservative |
| 5 | - | 1922 | Clement Kinloch-Cooke | Conservative |
| 6 | - | 1923 | Leslie Hore-Belisha | Liberal |
| 7 | - | 1931 | Leslie Hore-Belisha | Liberal National |
| 8 | - | 1942 | Leslie Hore-Belisha | National Independent |
| 9 | - | 1945 | Michael Foot | Labour |
| 10 | - | 1955 | Dame Joan Vickers | Conservative |
| 11 | - | Feb 1974 | David Owen | Labour |
| 12 | - | 1981 | David Owen | Social Democrat |
| 13 | - | 1988 | David Owen | Social Democrat (1988) |
| 14 | - | 1990 | David Owen | Independent |
| 15 | - | 1992 | David Jamieson | Labour |
| 16 | - | 2005 | Alison Seabeck | Labour |
| 17 | - | 2010 | Constituency abolished: see Plymouth Moor View and Plymouth Sutton and Devonport | Constituency abolished: see Plymouth Moor View and Plymouth Sutton and Devonport |

Question: How long did the longest-serving MP of Plymouth Davenport serve for and who was it?
Answer: One of Plymouth Devonport's longest serving MPs was the Conservative Dame Joan Vickers, who held the seat from 1955 until the Election of February 1974.