COATES, Charles Redvers b1900

This man served as Charles Redvers Coats MARTIN during WW1. No birth is registered for that name, and there is a possibility that he is in fact Charles Redvers COATES (Q3 1900 N Bierley).
So in case a descendant is looking for him:

Home address: Siddall Place, Holbeck, Leeds;
Parents: Thomas & Helen Ada MARTIN;
Enlisted 16 July 1917, declared age 18y 1m;
Served with the West Yorkshire Regiment (no. 210061) until August 1919 when he transferred to the Northumberland Fusiliers for further service.

Anc****y, WW1 Service Records, MAR, pages 138362-138365

From GRO Index. Coates, Charles Redvers 1900 Sep Q in North Bierley. Mmn Cole
From Free BMD. The names Thomas Coates and Ada Cole on same page March Q 1899. North Bierley.
1901 census.Thomas Martin, 22,(b Weedon, Northants) Ada, 21, Herbert 2 and Charles R 9/12 living Embsay with Eastby, Yorkshire
From GRO Index. Martin, Thomas, 1878 Sep Q Daventry. Mmn Coats