Acknowledgements Margaret Allison.
Soldiers Died in the Great War says that his middle name is McSporran, that he enlisted in Rothesay, lived in Campbeltown and had previously served as No. 1364 with the Royal Garrison Artillery.
Peter McCallum is remembered in Ashington on A17.43, in North Seaton on N33.03 and in the D.L.I. Book of Remembrance page 307