From Jerripedia
- Cyril Austin Collas (1897-1918) son of Jules Francois and Louisa Ann Tolkemit, Private, West Surrey Regiment, killed in action
Old Victorian sons of Edwin Jervoise Francis Collas and Laura Charlotte Braithwaite
- Douglas Philip Jervoise Collas (1886-1955) OV, Major, Loyal North Lancashire Regiment
- Francis Jervoise Collas, OBE, MC (1881- ) OV, Major, Royal Field Artillery. No MC citation found.
- Henry Laurell Jervoise Collas (1883-1939) OV, Captain, South Staffordshire Regiment
- William John Jervoise Collas, DSO (1880- ) OV, Lieut-Colonel, South Staffordshire Regiment
Sons of Philippe Edouard and Mary Jane
- Alfred Collas (1883- ) (St My) Private, RE
- Philip Collas (St My), Private RJGB
- Gordon Collas (1890- ) (St H) son of George Philip and Henrietta Square, ex-RMIJ, Private, RJGB
- William Francis Collas (St H), King's Own Yorkshire Light Infantry
- William Henry Collas (1897- ) Ordinary Seaman RN, HMS Blenheim