John Hennessy

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John Hennessy ( – ) served in the Royal Naval Reserve.

Life & Career

See Also

Naval Appointments
Preceded by
Frederic Giffard
Captain of H.M.S. Hussar
20 Dec, 1916[1] – after Oct, 1917
Succeeded by
John S. Morrell
Preceded by
Captain of H.M.S. Harebell
15 Nov, 1918[2]
Succeeded by
Lionel G. Preston
Preceded by
Percy R. Tanner
Captain of H.M.S. Medea
3 Dec, 1928[3]
Succeeded by
Samuel H. Cornish


  1. The Navy List. (November, 1917). p. 394m. I am inferring he assumed command after Giffard left.
  2. The Navy List. (February, 1919). p. 808.
  3. The Navy List. (February, 1929). p. 254.