Tabanus: He must have been born about 1843.
1861 census Highbury Park North "----nary College of Training Schools" St Mary Islington Middlesex: Walter J J Knight, 18, Pupil, born in Whitechapel Middlesex.
1868: Walter James Joseph Knight married 28 Dec 1868 at the Parish Church in Islington to Mary Anne Conway. (Marriages & Banns)
1871 census Ingrave, Essex (NE of London): Walter J. J. Knight, 28, Clerk in Railway Clearing House, born in London Middlesex. Mary A, 23, Wife, Schoolmistress.
1872: <On Tuesday last Mr Blackburne gave another proof of his wonderful aptitude for playing without sight of the board by contending against the following eight picked players of the Railway Clearing House Chess Club: Messrs Hill, Jones, Tarsell, Linton, Knight, Eales, Cox, and Kindell. The result being that Mr Blackburne won seven and drew one. The interest taken in this match will be understood when we mention that such plavers as Messrs Löwenthal, Boden, Duffy, Potter, Down, Heath, and De Vere were present. Mr Percy, the president of the club, and Mr W. J. J. Knight, the secretary, deserve the highest praise, both for organising the meeting, and for the courtesy they showed to the visitors.> (The Field 13 January 1872 p. 40)
1878: <Railway Clearing-House Chess Club. Mr Blackburne gave a blindfold exhibition against eight members of this club at their rooms, 123. Seymour-street, Euston-square, on Friday, the 5th inst. ... Mr Knight was the next to surrender, after an interesting and well-contended game.> - The Field, 20 April 1878, p. 475)
1881 census 6 Paddenswick P- Free School House Hammersmith London: Walter J J Knight, 38, Certificated School Master. Mary A., 33, Wife, Certificated School Mistress.
1882: <The Working Men's Club and Institute Union offer for competition every year, to the clubs affiliated to it, a chess trophy, which has to be won three times in succession by three different competitors before it becomes the property of the club. These conditions having been complied with by the Jewish Club, who thus became owners of the prize, the latter society then offered the Union a new trophy, to be played for on similar conditions; and this has again been won twice by the Jewish Club, so that it has only to be won once more to become its property. This year Mr E. N. Frankenstein represented the Jewish, who played against Mr W. J. J. Knight, the latter representing the Devonshire Club and Institute, of Chiswick. The former won with a score of 2 to 1 and 4 draws.> (The Field 22 April 1882 p. 537)
1887: <The season at the Railway Chess Club (which now numbers over 100 members) was commenced on Thursday with a simultaneous performance by Mr. W. J. J. Knight, who engaged 15 opponents and succeeded in winning 11 games, drawing one, and only losing three.> (Morning Post 24 October 1887 p. 2)
1889: <Mr. W. J. J. Knight, of the City of London Chess Club, played simultaneous games with 13 members of the Great Northern Railway Literary Society at Kings-cross Station on Thursday evening, winning all the games except that with Mr. J. Wharhirst.> (Morning Post 25 March 1889 p. 2)
1891 census Paddenswick Road St Peters Free School Hammersmith London: Walter J J Knight, 48, Certificated Teacher now occupied as Book Keeper to Wine & Spirit Merchant. Mary Ann, 43, Wife, Certificated Teacher.
1894: <The Hammersmith Chess Club. - This Club has removed to new quarters at the Richmond Hotel, Shepherd’s Bush Road, W. The Hon. Sec., Mr. W. J. J. Knight, has resigned, and the Rev. Mr. Chatto has been appointed in his stead.> (West London Observer 7 April 1894 p. 6)
1898: <Knight Walter James Joseph of St. Peter's-free-school Hammersmith Middlesex died 28 April 1898 Administration (with Will) London 21 May to Mary Anne Knight widow Effects L170 12s.> (Probate calendar)