Let me add my welcome to the Forum.
Surgeon Jephson J. Connell (not O’Connell) had a rather short Naval Career of just less than 6 years. Here is what little I could find on him.
Surgeon Jephson John Connell, M.D.
9 Oct 1855 (or 1856) Born in Cork, Ireland
1861 Census showed Jephson J. Connell, age 5, living with father, Aylmer J. Connell, (Carpenter, Royal Navy) and mother, Matilda Connell.
13 Oct 1876 Queen’s University in Ireland; bestowed a Doctor of Medicine, Master in Surgery, and Diploma in Midwifery
7 Feb 1877 Appointed to be Surgeon in Her Majesty’s Fleet with seniority of 30 Sep 1876
16 Jul 1877 Surgeon on HMS Shah (Flag Ship, Pacific) in 1879 participated in the Zulu War; served with the ship's Naval Brigade; when the Naval Brigade accompanied Lord Chelmsford's march to relieve Colonel Pearson's command at Fort Eshowe, 3 Officers and 37 men of the Shah's brigade remained behind at Fort Tenedos with Surgeon Connell in medical charge; served at Herwin hospital between the relief of Fort Eshowe and 17 June; Served ashore from 7 Mar '79 to 16 Jul '79; mentioned in despatches, South Africa Medal with Clasp “1879”
8 Jan 1880 Surgeon on HMS Victory (Tender to HMS Duke of Wellington, Portsmouth)
24 Aug 1880 Surgeon on HMS Cleopatra (Corvette, Detached Squadron and China Station); had passed examination for Staff Surgeon
1881 Census while serving in HMS Cleopatra showed Connell as Unmarried
22 Dec 1881 Connell received his South Africa Medal while serving aboard “Cleopatra”
5 Dec 1882 Connell died
Jan 1883 Navy List has Jephson J. Connell, M.D. on the Obituary List
Petty Officer Tom