Barbados: Heads of State: 1966-2021 All Heads of State in the following index are also Heads of State in the United Kingdom of Great Britain and Northern Ireland, and other realms and territories. By the Grace of God, of the United Kingdom of Great Britain and Northern Ireland and of Her other Realms and Territories Queen, Head of the Commonwealth, Defender of the Faith 30 Nov 1966 - 4 May 1967 Elizabeth II By the Grace of God, Queen of Barbados and of Her other Realms and Territories, Head of the Commonwealth [1] 4 May 1967 - 29 Nov 2021 Elizabeth II (x) [1] The royal style and titles were changed in accordance with a proclamation issued by the Queen on 24 Apr 1967 (effective upon publication on 4 May 1967). Last updated on: 17 May 2023 10:05:30