| 7 May 2026 | Scottish Parliament Election 2026 — Regional Lists | Highlands and Islands | Scotland | Liberal Democrats | 0 | — | 1st | No |
| 7 May 2026 | Scottish Parliament Election 2026 — Regional Lists | Argyll and Bute | Scottish Parliament elections (Constituencies) | Liberal Democrats | 8,468 | 30.7% | 2nd | No |
| 4 July 2024 | UK General Election 2024 | Argyll, Bute and South Lochaber | UK Parliamentary general election | Liberal Democrats | 7,359 | 16.4% | 4th | No |
| 5 May 2022 | Local Elections 2022 | Bearsden North | East Dunbartonshire | Liberal Democrats | 858 | 12.4% | 4th | Yes |
| 6 May 2021 | Scottish Parliament Election 2021 | Argyll and Bute | Scottish Parliament elections (Constituencies) | Liberal Democrats | 6,874 | 20.5% | 3rd | No |
| 6 May 2021 | London Assembly Election 2021 — London-wide Members | Highlands and Islands | Scotland | Liberal Democrats | 0 | — | 1st | No |
| 12 December 2019 | UK General Election 2019 | Argyll and Bute | UK Parliamentary general election | Liberal Democrats | 6,832 | 14.2% | 3rd | No |
| 8 June 2017 | UK General Election 2017 | Argyll and Bute | UK Parliamentary general election | Liberal Democrats | 8,745 | 18.2% | 3rd | No |
| 4 May 2017 | Local Elections 2017 | Cowal | Argyll and Bute | Liberal Democrats | 791 | 22.7% | 3rd | Yes |
| 5 May 2016 | Scottish Parliament Election 2016 | Argyll and Bute | Scottish Parliament elections (Constituencies) | Liberal Democrats | 7,583 | 25.7% | 2nd | No |
| 5 May 2016 | London Assembly Election 2016 — London-wide Members | Highlands and Islands | Scotland | Liberal Democrats | 0 | — | 1st | No |
| 7 May 2015 | UK General Election 2015 | Argyll and Bute | UK Parliamentary general election | Liberal Democrats | 14,486 | 27.9% | 2nd | No |
| 6 May 2010 | UK General Election 2010 | Argyll and Bute | UK Parliamentary general election | Liberal Democrats | 14,292 | 31.6% | 1st | Yes |
| 5 May 2005 | UK General Election 05 May 2005 | Argyll and Bute | UK Parliamentary general election | Liberal Democrats | 15,786 | 36.5% | 1st | Yes |
| 7 June 2001 | UK General Election 07 Jun 2001 | Argyll and Bute | UK Parliamentary general election | Liberal Democrats | 9,245 | 29.9% | 1st | Yes |
| 1 May 1997 | UK General Election 01 May 1997 | Dumbarton | UK Parliamentary general election | Liberal Democrats | 3,144 | 7.6% | 4th | No |
| 9 April 1992 | UK General Election 09 Apr 1992 | Paisley South | UK Parliamentary general election | Liberal Democrats | 3,271 | 9.1% | 4th | No |