During the early 1890s Armour had space at 6 North Charlotte Street, Edinburgh, while residing at nearby 7A Frederick Street. For a short period of time he shared the North Charlotte address with writer to the Signet, Adam West Gifford.
In 1898, he married Mary Emma Taylor Robb (1864–1925), and Crawhall was his best man at the wedding.[2] They had one son, Robert. He did illustrations for The Graphic, Punch and Country Life.[2][3] By 1903 they had moved into Etchilhampton House, Wiltshire.
By 1920, Armour was living at 'Parkside', a Grade II* listed building in Corsham, west Wiltshire; while being a member of the Savage Club in London. When his wife Mary died in June 1925, he married Violet Burton in September 1926.[2] They lived in Malmesbury.[2] By 1927, they were living at Easton House, one mile east of Corsham. He became a member of the Royal Scottish Academy.[4]
Pastime with good company (1914), Country Life publisher, 55 reproductions. Reprinted 1930.
Bridle & Brush – Reminiscences of an Artist Sportsman (1937, republished 1986), Ashford Press Publishing, 384 pages, 127 drawings and four colour plates by Armour; an autobiography.
Horse laughter (1938), a series of anecdotes and stories, co-authored with Will H. Ogilvie, illustrated by Armour, 87 pages, published by Duckworth, London.[9]
Illustrator
Thomas Scott Anderson's Hound and horn in Jedforest: Being some experiences of a Scottish M.F.H. (1909).[10] Scott Anderson's daughter married Will H. Ogilvie.[7]
R. S. Surtees's Handley Cross (1910), Hodder and Stoughton publishers, with 'a large number of spirited watercolour drawings'.[11]
Edward Dirom Cuming's With rod and gun (1912) of shooting and fishing.[12]
Edward Dirom Cuming's Coaching days and ways (The British Sport Series) (1913), Hodder and Stoughton, about horse-drawn coach transport.[13]
Paintings
Two Huntsmen on Horseback, One Blowing a Horn
Miss Esme Jenner (1896/1897-1932), as Master of the Sparkford Vale Harriers
The Sound of the Horn, Twilight and Dimsey
Mater pulchra, filia pulchrior: Twilight and Dimsey
^"Short notices". The Sun. No. 1866. New South Wales, Australia. 1 January 1939. p. 12 (Supplement to the Sunday Sun and Guardian Magazine). Retrieved 20 March 2021 – via National Library of Australia.
^"Shorter notices". The Sydney Morning Herald. No. 22, 760. New South Wales, Australia. 24 December 1910. p. 4. Retrieved 20 March 2021 – via National Library of Australia.
^"Christmas books". The Sydney Morning Herald. No. 23, 360. New South Wales, Australia. 23 November 1912. p. 4. Retrieved 20 March 2021 – via National Library of Australia.