The son of James Fellowes and his wife, Susan, he was born in the Cape Colony of present day South Africa in August 1841.

[2] He graduated from there into the Royal Engineers (RE) as a temporary lieutenant in June 1858, with him gaining the rank in full in 1860.

[6] In May 1888, Fellowes was appointed assistant commandant at the Royal School of Military Engineering at Chatham.

[17] Noted as being an "exceptionally accurate" right-arm roundarm fast bowler,[2] he took 7 for 24 against Surrey at Maidstone in 1873, while the following season at the same venue he took 6 for 58 and 7 for 42 against Lancashire.

[19] Away from first-class cricket, he played the majority of his non-first-class games for the RE, reputedly taking over 1,000 wickets for the regimental team.

[2] In his later years he was homorary secretary to Devon,[21] where he supervised the construction of the County Ground in Exeter.

[21] Fellowes died suddenly at his Castle House residence in Dedham, Essex on 3 May 1916, aged 74.