30 Jan 1893 Surgeon-Lieutenant.
30 Jan 1896 Surgeon-Captain.
11 Oct 1899–31 May 1902 Anglo–Boer War
1899–1900 Served in South Africa.
Malta Dec 1903 Embarked for Malta.
30 Oct 1904 Major RAMC.
14 Nov 1907 Birth of a daughter at the Officers' Quarters, Queen Alexandra Military Hospital Milbank.
28 July 1914 Start of the Great War.
4 Aug 1914 Britain declares war on Germany.
1 Mar 1915 Lieutenant Colonel RAMC.
18 Nov 1915 Temporary Colonel whilst serving as Assistant Director Medical Services of a Division.
30 Apr 1917 Served in the Great War of 1914. Was killed in action whilst serving as ADMS 9th Division, aged 48 years. Buried at St Nicolas British War Cemetery, Pas-de-Calais, France.
Author of short stories: Prince John of Streplitz (1913), Cicily in Ceylon (1914), tale of a Casualty Clearing Station (1917). In his Tale of a CCS, Symonds gives a description of the Chapel Ward in Saint Joseph College, a boarding school at Saint Omer, France where No 10 Stationary Hospital was based.