Alexander was born in Brixton in 1896, son of Robert, a postman, and Eva (nee Catchpole) of Suffolk.

Service records

Name - Alexander Charles CASELTON.
Address - 36 Finchley Rd, Ipswich, Suffolk
1st Enlistment - 20 Feb 1913 - Ipswich. 
Age - born 1896
Occupation - Clerk.
Last employer - Co-operative Society Ltd., Ipswich, Suffolk.
Service -  1/6 Suffolk Regt. No.1200.
                1/25th Bn London Regt. No.741387, Private
Sailed to India per Ceramic 3 Feb 1916, arrived 29 Feb 1916.
Statement as to Disability - Malaria July 1917, Waziristan., Nil disability.
Conduct Sheet - 8 Jul 1915, L/Cpl., Alderton, Insubordination, loss of stripe.
                          5 Jan 1916, Cyc, Chiseldon, Overstaying Leave, 7 days C.B.
Military Character - Very Good.
Disembodied - 25 Dec 1919