No overall control An election for all 24 members of Sligo Corporation took place on 15 January 1919, using the single transferable vote (STV).

Urban districts in Ireland held annual elections on 15 January each year under the Local Government (Ireland) Act 1898, using plurality voting to replace a cohort of one-third or one-quarter of their councillors.

5. c. xxiii), a local act passed in the UK Parliament under the sponsorship of the Sligo Ratepayers Association (SRA), an alliance of Protestants and businessmen which opposed the actions of the outgoing corporation.

[5] In the 1919 election, the SRA ran a slate of 18 candidates (11 Protestant and 7 Catholic) and won 8 seats; Sinn Féin, Labour, and an Independent Nationalist had a majority of 13 seats between them.

In the event, the Irish War of Independence, Irish Civil War, and aftermath meant the next local elections were postponed until 1925.