The by-election followed the death of John MacDougall.
| Lindsay Roy | Labour Party | 19,946 | 55.11% |
| Peter Grant | SNP | 13,209 | 36.49% |
| Maurice Golden | Conservative & Unionist | 1,381 | 3.82% |
| Harry Wills | Liberal Democrat | 947 | 2.62% |
| Jim Parker | Scottish Senior Citizens' Unity Party | 296 | 0.82% |
| Morag Balfour | Scottish Socialist Party | 212 | 0.59% |
| Kris Seunarine | UKIP | 117 | 0.32% |
| Louise McLeary | Solidarity | 87 | 0.24% |
Electorate: 69,155; Turnout: 52.34%;
Total valid votes: 36,195; Rejected papers: 25
Majority: 6,737 (18.61%)
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Last Modified: 22 Oct 12