Son of Reverend H D Hubbard. Educated privately in Plymouth and Switzerland. Qualified from St George's Hospital
30 July 1881 Surgeon-Captain Army Medical Department.
5 Aug 1882 – 8 June 1883 Served in Egypt at the battle of Tel-el-Kebir.
Malta 4 Mar 1885 Arrived from Chatham, England.
Malta 11 Sept 1886 To England on leave.
31 Dec 1886 Returned to Malta.
Malta 1887 On garrison duty.
Malta 21 Aug 1888 Resident at Great Britain Hotel Valletta. To England on leave.
7 Dec 1888 Returned to Malta.
Malta 1889 On garrison duty.
Malta 18 Aug 1890 To England on leave.
11 Dec 1890 Returned to Malta.
Malta 5 Apr 1891 Returned to England.
30 July 1893 Surgeon-Major.
30 July 1901 Lieutenant Colonel RAMC. In charge of the Cambridge Military Hospital at the time when female nurses where placed into military hospitals. In spite of opposition the introduction of lady nurses were carried out due to Col Hubbard's acumen and tact.
30 Jan 1906 Left London for a ten day holiday at Grindelwald where he died from consolidation of the lung and heart failure in the first week of February. He was buried at Grindelwald.