Moira Anne Elizabeth Astin ( Williams; born 18 February 1965) is a British Anglican bishop. She has been Bishop of Crediton in the Church of England's Diocese of Exeter since 2025.
Early life and education Astin was born on 18 February 1965, and grew up in Staines, Surrey. She was educated at City of London School for Girls and Sir William Perkins's School, Chertsey, Surrey; both all-girls independent schools. She studied Natural Sciences (specialising in geology) at Clare College, Cambridge, and graduated with a Bachelor of Arts (BA) degree in 1986. She then worked in computing, before training for ordained ministry at Wycliffe Hall, Oxford. She went on to graduate with a BA degree from the University of Oxford in 1996.
Ordained ministry Astin was ordained in the Church of England as a deacon in 1995 and as a priest in 1996.Crockford's Clerical Directory 2008/2009 (100th edition), p25: Church House Publishing (). She was a curate at St Nicolas, Newbury from 1995 to 1999; Team Vicar of Thatcham from 1999 to 2005; Vicar, St James, Woodley from 2005 to 2011; and Vicar of Frodingham with New Brumby from 2011 until her appointment as archdeacon. She was the Archdeacon of Reigate in the Church of England since 30 October 2016 until 2025."The Bridge" Newspaper of the Anglican Diocese of Southwark Vol 21 No 10 (Christmas/New Year 2016/17) 02 Archdeacon of Reigate installed
On 3 June 2025, it was announced that she had been nominated to be the next Bishop of Crediton, one of the suffragan bishops in the Diocese of Exeter. On 3 July 2025, she was consecrated as a bishop by Sarah Mullally, Bishop of London (and former Bishop of Crediton), during a service at St Paul's Cathedral. She was installed as Bishop of Crediton during a service at Exeter Cathedral on 6 July 2025.
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