Tulloch, William a Scotch prelate, was sent by James III into Denmark in 1468 to negotiate a marriage between him and the princess Margaret of that nation. He was bishop of Orkney in 1470. He was made lord privy seal, March 26, 1473. In 1477 he was translated to the see of Moray. He died about 1482. See Keith, Scottish Bishops, page 222.