Labour Party Candidates for 1920 Local Election
| Candidate | Council | Constituency | Elected | |
| Peter Costello | Sligo Corporation | East Ward | ||
| James Gray | Sligo Corporation | East Ward |  | |
| Michael Nevin | Sligo Corporation | East Ward | | |
| Bart O'Riordan | Sligo Corporation | East Ward | ||
| William J. Reilly | Sligo Corporation | East Ward | ||
| Pat Derrig | Sligo Corporation | North Ward | ||
| Peter Heraghty | Sligo Corporation | North Ward | | |
| James Kelly | Sligo Corporation | North Ward | ||
| Henry Depew | Sligo Corporation | West Ward | | |
| Thomas D. Howley | Sligo Corporation | West Ward | ||
| John Lambert | Sligo Corporation | West Ward | ||
| Andrew Thompson | Sligo Corporation | West Ward |