William Marshall Selwyn was an Anglican suffragan bishop

Suffragan bishop

A suffragan bishop is a bishop subordinate to a metropolitan bishop or diocesan bishop. He or she may be assigned to an area which does not have a cathedral of its own.-Anglican Communion:...

 in the 20th century.

Selwyn was born into an ecclesiastical family, the second son of the Reverend Sydney Augustus Selwyn, of Boscombe vicarage, Bournemouth, and Ellen Blake. He was educated at Haileybury

Haileybury and Imperial Service College

Haileybury and Imperial Service College, , is a prestigious British independent school founded in 1862. The school is located at Hertford Heath, near Hertford, from central London, on of parkland occupied until 1858 by the East India College...

 and Emmanuel College, Cambridge

Emmanuel College, Cambridge

Emmanuel College is a constituent college of the University of Cambridge.The college was founded in 1584 by Sir Walter Mildmay on the site of a Dominican friary...

, before beginning his ordained ministry as a curate

Curate

A curate is a person who is invested with the care or cure of souls of a parish. In this sense "curate" correctly means a parish priest but in English-speaking countries a curate is an assistant to the parish priest...

 at All Saints' South Lambeth. Following this he was chaplain

Chaplain

Traditionally, a chaplain is a minister in a specialized setting such as a priest, pastor, rabbi, or imam or lay representative of a religion attached to a secular institution such as a hospital, prison, military unit, police department, university, or private chapel...

 to the London Irish Rifles

London Irish Rifles

The London Irish Rifles is now known more formally known as "D Company, London Regiment" and is a volunteer Rifle Regiment with a distinguished history...

 then of the British Embassy Church, Paris. Incumbencies as vicar

Vicar

In the broadest sense, a vicar is a representative, deputy or substitute; anyone acting "in the person of" or agent for a superior . In this sense, the title is comparable to lieutenant...

 at Holy Trinity, Bournemouth

Bournemouth

Bournemouth is a large coastal resort town in the ceremonial county of Dorset, England. According to the 2001 Census the town has a population of 163,444, making it the largest settlement in Dorset. It is also the largest settlement between Southampton and Plymouth...

 and Brompton, London followed before becoming the Archdeacon of Bath. He was also Rector

Rector

The word rector has a number of different meanings; it is widely used to refer to an academic, religious or political administrator...

 of St Anne and St Agnes

St Anne and St Agnes

St Anne and St Agnes is a church located at Gresham Street in the City of London, near the Barbican. While St Anne's is an Anglican foundation, it has been let since 1966 to a congregation of the Lutheran Church in Great Britain.-History:...

, Gresham Street

Gresham Street

Gresham Street, in the City of London, is named after Thomas Gresham and runs from St. Martin's Le Grand near St Paul's Cathedral in the west, past Guildhall, to Lothbury in the east...

 In 1947 he was ordained to the episcopate as the second Bishop of Fulham

Bishop of Fulham

The Bishop of Fulham is a suffragan bishop in the Diocese of London in the Church of England. The bishopric is named after Fulham, an area of south-west London....

, a post he was to hold for only two years. He died on 29 September 1951.