The Welsh National Book of Remembrance for the First World War contains the names of 35,000 servicemen and women, as well as members of Welsh Regiments, who lost their lives in the First World War. These individuals are listed according to regiment and battalion alongside the names of those who might well have died alongside them.

Fourth Battalion; Depot; First Battalion; Second Battalion; Third Battalion; First Fourth Battalion; Fourth Reserve Battalion; Fifth Battalion; Sixth Battalion; Seventh Battalion; Eighth Battalion; Ninth Battalion; Tenth Battalion; Serving at the time of death with the undermentioned Battalion of the 1/1st Herefords