northwest of Otterburn village. By the beginning of the 15th century, the tower was held by Sir Robert Umfraville. It was owned by Clan Hall from at least the 1500s. 18th-19th centuries One of its notable owners was Mad Jack Hall, a Jacobite rebel who was tried five times and finally executed at Tyburn for high treason on 13 July 1716, and his initials are still carved over one of the original doors. He had pleaded during the trial that as he was returning from a Justice’s meeting, he was surrounded by rebels and forced to go with them. In 1777, the "Percy Cross" was placed near the tower to commemorate the Otterburn Battle site. In the 1860s, Otterburn Castle was owned by Thomas James (1807-unknown), a magistrate, landholder, and farmer of ; he was the son of William James (d. before 1822), of Otterburn Castle, and Elizabeth Woodhouse. Thomas James built Otterburn Tower over what was Otterburn Castle incorporating the masonry of an 18th-century house which contained an early building. No traces of the castle remain. William James of Otterburn Towers, a Lt. of 42nd Highlanders, served in the Crimea and Indian Mutiny on 28 Feb 1838 and 9 April 1864, respectively. He was the son of Thomas James. 20th Century In 1938, Sir Archibald Woollaston White, 4th Baronet of Tuxford and Wallingwells bought the Otterburn Tower Estate. He and his family lived there for the bulk of The Second World War. Sir Archibald took command of the local Home Guard Battalion during the war and set about training and organising it. The decision to sell the estate was made in 1944 when the army's artillery range was extended further south, with the guns firing at longer range than was previously possible. The bulk of the estate was bought by the army for the firing ranges, which it remains today. Sir Archibald moved to the Torhousemuir Estate near Wigtown in Dumfries and Galloway. Modern times It became a Grade II listed building on 7 January 1988. Architecture and fittings Otterburn is a castellated building. Much of the current building was constructed in 1830 incorporating an 18th-century tower and earlier architectural work as little of the original tower remained. The northern corner of the modern tower includes part of the walls of the old castle. The building was extended at the rear in 1904, and a stable block was added