The 1921 South Londonderry by-election was held on 29 August 1921. The by-election was held due to the appointment as Lord Chief Justice of

Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label= Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is variously described as a country, province or region. Nort ...

of the incumbent UUP MP,

Denis Henry Sir Denis Stanislaus Henry, 1st Baronet, (7 March 1864 – 1 October 1925), was an Irish lawyer and politician who became the first Lord Chief Justice of Northern Ireland. Henry was born in Cahore, Draperstown, County Londonderry, the son o ...

. It was won unopposed by the UUP candidate Robert Chichester. Chichester died less than four months later, leading to a further by-election in January 1922.

References

South Londonderry South Londonderry 1921 South Londonderry 1921 20th century in County Londonderry South Londonderry {{Ireland-UK-Parl-by-election-stub