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.

Second (City of London) Battalion (Royal Fusiliers); Fourth (City of London) Battalion (Royal Fusiliers); Twenty-ninth (City of London) Battalion (Royal Fusiliers); The Honourable Artillery Company (Infantry); Sixth (City of London) Battalion (Rifles); Ninth (County of London) Battalion (Queen Victoria's Rifles); Eleventh (County of London) Battalion (Finsbury Rifles); Twelfth (County of London) Battalion (The Rangers); Thirteenth (City of London) Battalion (Princess Louise's Kensington Battalion); Fifteenth (City of London) Battalion (P.W.O. Civil Service Rifles); Sixteenth (City of London) Battalion (Queen's Westminster Rifles); Fifth (City of London) Battalion (London Rifle Brigade); Eighth (City of London) Battalion (Post Office Rifles); Tenth (County of London) Battalion (Hackney); Seventeenth (City of London) Battalion (Poplar & Stepney Rifles); Twenty-eighth (City of London) Battalion (Artist' Rifles); Thirty-third (City of London) Battalion; Seventh (City of London) Battalion; Nineteenth (City of London) Battalion (St. Pancras); Twentieth (City of London) Battalion (Blackheath & Woolwich); Twenty-third (County of London) Battalion; Twenty-second (City of London) Battalion (The Queen's); Twenty-fourth (City of London) Battalion (The Queen's); Fourteenth (City of London) Battalion (The London Scottish); Eighteenth (City of London) Battalion (London Irish Rifles)