SADLEIR-JACKSON, LIONEL WARREN DE
VERB, Lieutenant, was born 31 December 1876, son of Major Henry Sadleir-Jackson,
of Ahanesk, Midleton, Cork. He entered the Army, from the Militia, as a
Second Lieutenant in the 9th Lancers, 4 May 1898, becoming Lieutenant 3
October 1900. He took part in the South African War from 1899 to 1902,
serving as ADC to the Brigadier General, South Africa, July to September
1900, and as a Staff Officer; was present in the advance on Kimberley,
including actions at Belmont, Enslin, Modder River and Magersfontein; the
Relief of Kimberley; operations in the Orange Free State, February to May
1900, including operations at Paardeberg, and actions at Poplar Grove and
Karee Siding; operations in the Transvaal, west of Pretoria, July to
November 1900; operations in Orange River Colony, May to November 1900,
including actions at Bethlehem, Wittebergen and Caledon River; operations in
Orange River Colony 30 November 1900 to June 1901; operations in Cape
Colony, June 1901 to March 1902. He was slightly wounded; thrice mentioned
in Despatches [London Gazette, 8 February and 10 September 1901, and 17
January 1902]; received the Queen's Medal with seven clasps, and the King's
Medal with two clasps, and was created a Companion of the Distinguished
Service Order [London Gazette, 27 September 1901]: "Lionel Warren De Vere
Sadleir-Jackson, Lieutenant, 9th Lancers. In recognition of services during
the operations in South Africa". The Insignia, Warrant and Statutes were
sent to the Commander-in-Chief in India, and presented by General Sir Bindon
Blood at a full Garrison Parade at Rawal Pindi, India. He was promoted
Captain 14 December 1904, and resigned in 1909, but was reinstated in his
original place in the Army in the same year, and was a Territorial Force
Adjutant from July 1909 to September 1912, in which month he joined the Army
Signal Service. He served in this branch of the Service in the European War
until May 1917, becoming Major, 9th Lancers, 1 March 1915. From May 1917 to
October he was in command of the 10th Battalion London Regiment, and from
October 1917 to 1019, of the 54th Brigade, British Armies in France,
receiving his Brevet of Lieutenant Colonel 1 January 1918. He took the
Russian Relief Force to Archangel, and was in command of the 2nd Brigade,
Russian Relief Force, 1918 to 1919. For his services in the European War
and subsequent Russian Campaigns, he was twice mentioned in Despatches; was
made a CMG in 1915; was awarded a Bar to the Distinguished Service Order
[London Gazette, 17 September 1918]: "Lionel Warren De Yere Sadleir-Jackson,
CMG, DSO, Major and Brevet Lieutenant Colonel (Temporary Brigadier General),
Lancers. For conspicuous gallantry and devotion to duty. Throughout recent
operations he proved himself a bold leader of men, and under all conditions
full of energy and fine fighting spirit. He, personally organized and led
most successful counter-attacks, in one of which he recaptured a village and
took 150 prisoners and eleven machine guns. He did splendid work under very
difficult conditions". He was created a CB in 1919, and also received the
Legion of Honour and the Croix de Guerre with Star. Brigadier General L W
De V Sadleir-Jackson was an FRGS. His favourite pursuits were polo (he
has published in collaboration with W S Buckmaster 'Hints on Polo
Combination'), big game shooting and hunting. He married, in 1912, Mrs
Marion Fulton.
