Saint Sanctain or Sanctan was a 6th-century Manx

Manx people

The Manx are an ethnic group coming from the Isle of Man in the Irish Sea in northern Europe. They are often described as a Celtic people, though they have had a mixed background including Norse and English influences....

 bishop, who originally came from Northern Britain.

Sanctan was the son of Sawyl Penuchel

Sawyl Penuchel

Sawyl Penuchel or Ben Uchel , also known as Samuil Penisel , was a British king of the sub-Roman period, who appears in old Welsh genealogies and the Welsh Triads....

, a king in Northern Britain. He is said to have been a disciple of Saint Patrick

Saint Patrick

Saint Patrick was a Romano-Briton and Christian missionary, who is the most generally recognized patron saint of Ireland or the Apostle of Ireland, although Brigid of Kildare and Colmcille are also formally patron saints....

, though this is chronologically impossible. He was an active missionary in Cumbria

Cumbria

Cumbria , is a non-metropolitan county in North West England. The county and Cumbria County Council, its local authority, came into existence in 1974 after the passage of the Local Government Act 1972. Cumbria's largest settlement and county town is Carlisle. It consists of six districts, and in...

, before becoming Bishop of the unidentified Cell da les (or 'church of the two forts'). This may be Kill-na-Sanctan near Dublin or on the Isle of Man

Isle of Man

The Isle of Man , otherwise known simply as Mann , is a self-governing British Crown Dependency, located in the Irish Sea between the islands of Great Britain and Ireland, within the British Isles. The head of state is Queen Elizabeth II, who holds the title of Lord of Mann. The Lord of Mann is...

, where the civil parish

Civil parish

In England, a civil parish is a territorial designation and, where they are found, the lowest tier of local government below districts and counties...

 of Santon

Santon (parish)

Santon is a parish of the Isle of Man. It has an area of approximately eight square miles and is the island's smallest parish, located in the sheading of Middle which is composed of the parishes of Braddan, Marown and Santon. Currently the Captain of the Parish is Donald Gelling.The parish church...

is named after him. His feast day is on 20 May.