(1) William Caldwell McChord, Jr.,: USMA: graduated 6/14/1907. Cadet No 4631. See: Register of Graduates and Former Cadets of the USMA (1970).
(2)See: school yearbooks at ancestry.com.
(3) William C McChord: Army Serial/Service No.: O-2276.
See Army Register (1935) for further information.
Further: WW1 Service Card: there should be a WW1 service card for this person in the state where he resided when he entered the service [i.e. Ky.]. To see examples of WW1 Service Cards: google: Florida WW1 service cards and click on same at Florida Memory Project, and then browse cards.