William Sinclair (archdeacon of London)

William Macdonald Sinclair FRGS (1850–1917) was a British Anglican clergyman and author, who was Archdeacon of London.

His first post was as assistant minister at the Quebec Chapel, Marylebone after which he was resident chaplain to the Bishop of London.

He was appointed vicar of St Stephen's, Westminster in 1880 and Archdeacon of London in 1889.

[3] He was elected to the London School Board as one of the representatives of the Westminster Division in 1885.

[4] He was appointed acting chaplain to the 21st Middlesex Rifle Volunteer Corps on 31 January 1900, and was commissioned as a fourth class chaplain (ranking as a captain) when the Territorial Force (TF) was formed on 1 April 1908.