1897 Dec 4. Born. Edinburgh According to 1911 school list. I cannot find him in Scotland Births. Only one Louis who is born in Glasgow, son of a slater, who could not have sent son to Haileybury. I suspect the father is an army officer.
1901 census only the Glasgow slater's son
1911 census at Boarding School at Cranemoor Highcliffe- on -Sea Hampshire
1915 Jan 5. 4th Battalion, The Leicestershire Regiment; Louis Campbell McLean (late Cadet, Haileybury College Contingent, Junior Division, Officers Training Corps) to be Second Lieutenant, and to be seconded for duty with North Midland Divisional Cyclist Company.
1915 Oct 14. The Leicestershire Regiment. The undermentioned Second Lieutenants to be temporary Lieutenants. — Louis C. McLean, and to remain seconded
1915 Nov 21. The Leicestershire Regiment. Lieutenant Louis C. McLean is restored to the establishment.
1917 Jun 16. Territorial Force. 2nd Lt. (temp. Lt.) L. C. McLean to relinquish the temp, rank of Lt.
1917 Jun 16. Leicestershire Regt.—2nd Lt. (temp. Lt.) Lt. L C. McLean to be Lt., with precedence as from 1st June 1916.
1917 Jul/Sep Married in London to Mariette C B Castermans
1917 Aug 28. Leicestershire Regt.—Lt. L. C. McLean relinquishes his commission on account of ill-health, and is granted the hon. rank of Lt.
1918 Jun 26. 2nd Lt. L. C. McLean to be Lt., with precedence 1st July 1917, next above Lt. L. R. E. Jackson.
1919 . Divorce Court File: 4652. Appellant: Mariette Clementine Blanche McLean. Respondent: Louis Campbell McLean. Type: Wife's petition for restitution of conjugal rights
1921 May 19. Joined ADRIC with service no 1987. Posted to R Coy
1921. Divorce Court File: 4968. Appellant: Mariette Clemence Blanche McLean. Respondent: Louis Campbell McLean. Type: Wife's petition for divorce
1922 Jan 16. Discharged on demobilisation of ADRIC
Joins the Ulster Special Constabulary
1932 On electoral roll in Brixton, London
1939 Jul/Sep Married in London to Hildegard M Frankel
1939 Register Living at 27 Highbury Quadrant , Islington, London. He is a Road Transport Supervisor. With wife Hildegard
1947 Jul/Sep Married in Northumberland to Florence M Ford
1959 Apr/Jun Died Northumberland aged 61