1898 Apr 5. . Born West Ham. Essex (this reg district includes Woodford)
1901 census at Claybury Asylum Cottages, Ilford, Barkingside
1911 census at London County Lunatic Asylum, where his father was employed as a fireman
1917 Jun 27. The undermentioned, from Officers Cadet Units, to be 2nd Lts. : — Essex Regt - William Frederick Chapman
1918 Dec 27.The undermentioned 2nd Lts. to be Lts.: — 3rd Essex E.—W. F. Chapman.
1920 Jun 26. 3rd Essex R. — Lt. W. F. Chapman, relinquishes his commn., and retains the rank of Lt.
1920 Jul 9 Joins RIC as Black & Tan Constable. He appears to have been promoted to a Barrack Defence Officer
1920 Aug 5. Joined ADRIC with service no 150 and posted A Coy,
1920 Dec 8. Promoted Section Leader.
1921 Mar 2 Promoted DI3
1921 Mar 4. Posted to HQ. He was a 3DI and Staff Officer at Cork Barracks
1922 Jan 14. Discharged at demobilisation of ADRIC
1950 Jan/Mar Died West Ham age 52