HM Trawler Cotsmuir (Skipper James Butler, Royal Naval Reserve) disappears on a passage from Tyne to Humber. There are no survivors and no bodies are ever found. Among the thirteen casualties are:
- The skipper and his son 19-year old Deck Hand James William Butler.
Today’s losses include:
- Multiple families that will lose two sons in the Great War
- A man who will have two brothers killed in the Great War
- A man whose father will die on service in August 1919
- Multiple sons of members of the clergy
- A nephew of the Scouth School Invercagill, New Zealand
Today’s highlighted casualties include:
- Captain Oliver Edward Wormald (Suffolk Regiment) dies of appendicitis at age 32. He has two brothers who will lose their lives in the Great War and two others who served as Chaplains.
- Acting Captain Alexander Herbert Robins Mackay MC (Saskatchewan Regiment) is accidentally killed during a machine gun demonstration.
- Lieutenant Edmond St Vincent-Ryan (Royal Marines) dies at home at age 22. He has served at Ostend and Gallipoli and his father will die on service in August 1919.
- Second Lieutenant Richard Radford Turner (Sussex Regiment) is killed at age 20. He is the son of the Reverend Richard Turner Vicar of Barnstaple.
- Sub Lieutenant Richard Arthur Wynne Robinson (Royal Naval Volunteer Reserve) dies of wounds at age 32. He is the son of the Reverend Andrew Craig Robinson Rector of Ballymoney Cork.
- Private Gerald Kingsley Webber (Royal Fusiliers) is killed at age 26. His brother was killed on Gallipoli in August 1915 and they are nephews of the headmaster of the Scouth School Invercagill New Zealand.
- Private Herbert Edge (Lancashire Fusiliers) dies of wounds at age 32. His brother was killed on the first day of the Battle of the Somme.
- Private William Arthur Ellis (Machine Gun Corps) is killed at age 20. His brother will be killed in November.
- Private Harry Victor Bowden (Sussex Regiment) dies of wounds at age 21. His brother will be killed in March 1918.