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.

Eighth Battalion; First Battalion; Fourth Battalion; Fifth Battalion; First Fifth Battalion; Second Fifth Battalion; First Sixth Battalion; Second Sixth Battalion; Seventh Battalion; Ninth Battalion; Twelfth Battalion; Thirteenth Battalion; Depot; Second Home Service Battalion