Supreme Governor of the Church of England

The title Supreme Governor of the Church of England expresses the constitutional principle, established at the English Reformation, that the English monarch rather than the Pope holds ultimate authority over the Church of England. Henry VIII first claimed this authority under the title Supreme Head of the Church of England, asserted through the Act of Supremacy of 1534, passed after the papacy refused to annul Henry's marriage to Catherine of Aragon; the break placed the English church under royal rather than papal jurisdiction while leaving most of its Catholic doctrine and liturgy initially intact.

The title itself was softened to Supreme Governor under Elizabeth I's Act of Supremacy 1558, a change generally read as addressing theological discomfort, including from Elizabeth herself, with a temporal ruler, and particularly a female one, claiming headship over Christ's church in the way the earlier title implied; governor conveyed administrative and legal supremacy without the more explicitly spiritual claim of headship. The office is distinct from Archbishop of Canterbury, the Church's senior bishop and its spiritual leader in matters of doctrine and pastoral authority; the monarch's role is constitutional and administrative rather than sacramental or theological.

Unlike every other office in this record, the Supreme Governor of the Church of England has no distinct selection process at all: the office passes automatically and immediately to whoever succeeds to the British throne, under the same rules of hereditary succession, now governed by the Act of Settlement 1701 and the Succession to the Crown Act 2013, that determine the monarchy itself. There is no separate appointment, confirmation or ceremony conferring the church role; it is a legal incident of the Crown rather than an office filled independently of it.

This automatic linkage has produced some notable legal complications over the centuries. The Act of Settlement barred Catholics, and those married to Catholics, from the throne specifically because the monarch must be in communion with the Church of England to hold the Supreme Governorship, a religious test for the head of state that remains part of British constitutional law even as other religious disqualifications have been relaxed; the 2013 Succession to the Crown Act removed the bar on marrying a Catholic but left the bar on the monarch personally being Catholic in place. The coronation oath, administered by the Archbishop of Canterbury, includes a promise to maintain the Church of England's established status, formally connecting the two offices at the moment the temporal role begins.