The Bishop of Galloway, also called the Bishop of Whithorn, was the eccesiastical head of the Diocese of Galloway, said to have been founded by Saint Ninian in the mid-5th century. The subsequent Anglo-Saxon bishopric was founded in the late 7th century or early 8th century, and the first known bishop was one Pehthelm, "shield of the Picts". According to Anglo-Saxon ecclesiastical tradition, the bishopric was founded by Saint Ninian, a later corruption of the British name Uinniau or Irish Finian; although there is no contemporary evidence, it is quite likely that there had been a British or Hiberno-British bishopric before the Anglo-Saxon takeover. After Heathored (fl. 833), no bishop is known until the apparent resurrection of the diocese in the reign of King Fergus of Galloway. The bisho