A by-election was held in the Barbadian constituency of the St. Michael South Central on 6 July 1978 after the resignation of Democratic Labour Party member Frederick Smith who was the representative of the constituency in the House of Assembly of Barbados.
Previous election
Result Richard Christopher Haynes won the election. Turnout was 67.5%.
See also 1976 Barbadian general election List of parliamentary constituencies of Barbados
References