O.
Odd, Bishop of Baieux, [2], [101], [102], [182], [208]
Old Revesby deeds, from Burghley House, [161]
Oratory Medlam, (Revesby), [161]
Ordericus Vitalis quoted, [226]
Ormsby, Richard de, [146]
Oswy, King of Northumbria, [102], [103]
Otter, Francis, memorial window, [157]
Otter, Miss, restored Ranby church, 1839, [156]