Unst South
| Year | Type | Winner | Votes |
|---|---|---|---|
| 1890 | general | Alexander Sandison | Unopposed |
| 1892 | general | Alexander Sandison | Unopposed |
| 1895 | general | Alexander Sandison | Unopposed |
| 1898 | general | Thomas Johnson Sandison | Unopposed |
| 1901 | general | There was no nomination for this county, see Unst South County Council By-Election February 1902. | |
| 1902 | by-election | John Peter Sandison | Unanimously elected |
| 1904 | general | John Peter Sandison | Unopposed |
| 1907 | general | Thomas Sandison | Unopposed |
| 1910 | general | John Peter Sandison | Unopposed |
| 1913 | general | John Peter Sandison | Unopposed |
| 1919 | general | John Peter Sandison | Unopposed |
| 1922 | general | John Peter Sandison | 59 |
| 1925 | general | John Peter Sandison | Unopposed |
| 1928 | general | John Peter Sandison | Unopposed |
| 1929 | general | Basil Neven-Spence | 83 |
| 1932 | general | Basil Neven-Spence | Unopposed |
| 1935 | general | There was no nomination for this seat, see Unst South County Council By-Election February 1936. | |
| 1936 | by-election | William Fordyce Clark | Unanimously appointed |
| 1938 | general | Andrew Irvine | Unopposed |
| 1942 | by-election | Captain Henry Hunter | 11 |
| 1945 | general | Major Henry W. L. Hunter | Unopposed |
| 1949 | general | James L. Matches | Unopposed |
| 1952 | general | James L. Matches | Unopposed |
| 1955 | general | James L. Matches | Unopposed |
| 1958 | general | James L. Matches | Unopposed |
| 1961 | general | Peter B. A. Hunter | 96 |
| 1964 | general | Peter B. A. Hunter | Unopposed |
| 1967 | general | Peter B. A. Hunter | Unopposed |
| 1970 | general | Alan Fraser | Unopposed |
| 1973 | general | Alan Fraser | Unopposed |