Mae Llyfr Cofio Cenedlaethol Cymru o'r Rhyfel Byd Cyntaf yn cofnodi enwau 35,000 o filwyr , yn ddynion a merched o Gymru ynghyd ag aelodau o gatrodau Cymreig, a gollodd eu bywydau yn y Rhyfel Byd Cyntaf. Rhestrwyd yr unigolion yma fesul catrawd a bataliwn ochr yn ochr ag enwau'r rhai a allai'n hawdd fod wedi marw gyda nhw.

Fourth (City of Bristol) Battalion; Fifth Battalion; First Battalion; Second Fifth Battalion; First 4th (City of Bristol) Battalion ; Second 4th (City of Bristol) Battalion; First Fifth Battalion; Second Fifth Battalion; First Sixth Battalion; Second Sixth Battalion; Seventh (Service) Battalion; Eighth Service Battalion; Ninth Service Battalion ; Tenth (Service) Battalion; Twelfth (Service) (Bristol) Battalion; Thirteenth (Service) Battalion (Forest of Dean) (Pioneers); Fourteenth (Service) Battalion (West of England)