Mis-recorded, filed & indexed as SCOTTON in the WW1 Service Records (WO 363):

George Charles SCOTTOW, home address Harlesden London.
Attested (age 31yr) January 1916 (1 month after marriage), called up January 1917, discharged February 1919 (by which time he is a Widower). Married Dec 1915 to May FREEMAN. Father possibly Herbert George. Reg Nos: 230336, 46947 & 73099.

Anc****y, SCO, pages 53470 to 53496