Henry Lancelot Mawbey

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Admiral Henry Lancelot Mawbey, C.B., C.V.O., Royal Navy, Retired (17 June, 1870 – 4 June, 1933) was an officer of the Royal Navy.


Life & Career

Before joining the Navy, Mawbey was educated at Cordwalles, a private school in Maidenhead.[1]

Mawbey was appointed Flag Lieutenant to Rear-Admiral Frederick C. B. Robinson, Commander-in-Chief on the East Indies Station, on 26 February, 1891.[2]

Mawbey was promoted to the rank of Commander on 26 June, 1902.[3]

He was promoted to the rank of Captain on 31 December, 1907.[4]

He was appointed in command of the first class protected cruiser Endymion on 1 October, 1908.[5]

On 10 July 1911, Mawbey was appointed in command of the new light cruiser Dartmouth.[6]

He was appointed in command of the pre-dreadnought Dominion on 7 February, 1914.[7]

Great War

On 11 April, 1917, Mawbey was appointed in command of the dreadnought Agincourt..[8]

When informed that one of his Sub-Lieutenants, E. S. Brand, had been requested to commission H.M.S. Valiant, Mawbey summoned the young man and after being told that he intended to take up the appointment, he told Brand: "I hope you have a bloody rotten time there and if you do, don't blame me, blame Forbes-Semphill!"[9][10]


Mawbey was promoted to the rank of Rear-Admiral on 10 February, 1919, vice Boyle.[11] He was appointed Rear-Admiral Commanding the Nore Reserve on 17 March, 1919.[12]

On 5 June, 1920, he was appointed a Companion in the Civil Division of the Most Honourable Order of the Bath (C.B.) on the occasion of the King's birthday.[13]

On 22 March, 1922, Mawbey was appointed Commander in the Royal Victorian Order dated 16 March.[14]

He was placed on the Retired List at his own request on 26 September, 1924.[15] He was advanced to the rank of Admiral on the Retired List on 5 April, 1928.[16]


  • "Admiral Mawbey" (Obituaries). The Times. Tuesday, 6 June, 1933. Issue 46463, col D, pg. 12.

Service Records

Naval Appointments
Preceded by
James C. Ley
Captain of H.M.S. Endymion
1 Oct, 1908[17]
Succeeded by
Arthur G. Smith
Preceded by
New Command
Captain of H.M.S. Dartmouth
10 Jul, 1911[18]
Succeeded by
Judge D'Arcy
Preceded by
Joseph R. Bridson
Captain of H.M.S. Dominion
7 Feb, 1914[19]
Succeeded by
Adolphus H. Williamson
Preceded by
Henry M. Doughty
Captain of H.M.S. Agincourt
11 Apr, 1917[20]
Succeeded by
R. Cecil Hamilton
Preceded by
A. Thomas Hunt
Rear-Admiral Commanding, Nore Reserve
17 Mar, 1919[21]
Succeeded by
Vivian H. G. Bernard


  1. "Admiral Mawbey" (Obituaries). The Times. Wednesday, 7 June, 1933. Issue 46464, col B, p. 14.
  2. "Naval and Military Intelligence" (Official Appointments and Notices). The Times. Friday, 6 February, 1891. Issue 33241, col C, p. 10.
  3. The London Gazette: (Supplement) no. 27448. p. 4198. 26 June, 1902.
  4. The London Gazette: no. 28096. p. 34. 3 January, 1908.
  5. The Navy List. (October, 1908). p. 309.
  6. The Navy List. (July, 1913). p. 298.
  7. The Navy List. (December, 1914). p. 304.
  8. The Navy List. (October, 1917). p. 391d.
  9. Brand. Paper in the possession of the Liddle Collection, University of Leeds. p. 8.
  10. The proper spelling is Sempill... sic?
  11. The London Gazette: no. 31201. p. 2738. 25 February, 1919.
  12. The Navy List. (August, 1919). p. 693.
  13. The London Gazette: "Supplement" no. 31931. p. 6315. 5 June, 1920.
  14. The London Gazette: no. 32722. p. 4715. 23 June, 1922.
  15. The London Gazette: no. 32981. p. 7327. 10 October, 1924.
  16. The London Gazette: no. 33376. p. 2741. 17 April, 1928.
  17. The Navy List. (October, 1908). p. 309.
  18. The Navy List. (July, 1913). p. 298.
  19. The Navy List. (December, 1916). p. 393q.
  20. The Navy List. (February, 1919). p. 725.
  21. Mawbey Service Record. The National Archives. ADM 196/43. f. 85.

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