Duff, Clarence Errol: Service no. 53259

Digitized Service Record

Source: Dave Boven post from the 18th Battalion Facebook Group.


CONFIRMED: American citizen who attested under the name of John Mack (AKA). Later to be a lieutenant and served with the 21st Battalion. Name is confirmed. Attached to 21st Bn. but may not have been taken on strength.

Summary of Service for Summary of Service for Lieutenant Cloune Errol Duff AKA John Errol Mack[i].

September 24, 1884BornTilbury, Ontario
October 22, 1914EnlistedEnlisted under the assumed name of John Mack. He claims to be born on September 24, 1884 in Tilbury, Ontario. His next of kin is a Mrs. John Krieg of South Euclid, Ohio, U.S.A. His trade is as a carpenter and he has prior military experience with the 21st Regiment. He enlists at Windsor, Ontario under the regimental number of 53259.
November 9, 1914Anti-Typhoid Inoculation 
November 19, 1914Anti-Typhoid Inoculation 
December 19, 1914Vaccination 
 Anti-Typhoid Inoculation 
April 18, 1915Embarks for EnglandLeaves Halifax aboard the S.S. Grampian.
 Assigned Pay Begins 
 Arrives England 
June 11, 1915Writes WillLeaves his real property and monies to Mrs. Krieg.
June 6, 1916CommissionedCommissioned a lieutenant and transferred to the 21st Battalion.
June 20, 1916Temporary LieutenantTo be a temporary lieutenant with the 21st Battalion.
July 17, 1916Granted LeaveGranted 7-days leave.
July 25, 1916AdmittedAdmitted to Cherry Hinton Military Hospital, Cambridge, Cambridgeshire. VDG. Stuck off strength of the 21st Battalion on admission to hospital and posted to General List.
August 25, 1916DischargedDischarged from Cherry Hinton Military Hospital, Cambridge, Cambridgeshire.
September 20, 1916Attached for DutyAttached for duty to the Canadian Casualty Assembly Centre.
February 17, 1917Arrived as ReinforcementArrived from Canadian Base Depot.
February 27, 1917Left for UnitLeft for 2nd Entrenching Battalion.
March 1, 1917Admitted HospitalAdmitted at No. 2Red Cross Hospital for pleurisy in Rouen, France.
March 4, 1917Updated StatusSuffering from dilatation myocardium and invalided to England aboard the H.S. Panama.
March 6, 1917Taken on StrengthPosted to General List.
March 6, 1917AdmittedAdmitted to 1st South General Hospital, Birmingham, West Midlands.
March 15, 1917DischargedDischarged from the 1st South General Hospital, Birmingham, West Midlands.
April 11, 1917AttachedAttached to the 3rd Canadian Casualty Depot.
May 21, 1917Taken on StrengthTaken on Strength with the Eastern Ontario Regimental Depot (as he was last attached to the 21st Battalion) at Seaford.
October 30, 1917Struck off StrengthStuck off strength of Permanent Establishment to E.O.R.D.
November 3, 1917Medical BoardMedical Board convened at Seaford indicating he is suffering from a combination of heart troubles and nervousness initiated from his experiences in the trenches 18 months prior to this examination (May/June 1916)
November 13, 1917Granted LeaveGranted leave in U.K. on pending return to Canada.
November 30, 1917Struck off StrengthStruck off strength from the E.O.R.D.
December 5, 1917Medical History for an InvalidCompleted this form in Ottawa Military District puts him at 20% disability for 3 months with the expectations of a full recovery. “Shock from being thrown by a trench mortar.” led to “nervousness and sleeplessness.
January 24, 1922Discharged[ii]Discharged medically unfit in Ottawa.

[i] This soldier has various addresses associated to his service record. 1. 240 Beecher Street, Ravenna, Ohio (latest address May 25, 1921); 2. N-O-K of Mrs. M.A. Mack of 277-14th Avenue, Columbus, Ohio (Mary Mack, wife. No date.); Mrs. John Krieg, South Euclid, Ohio (attestation papers); Mrs. J.E. Mack, R.N.S., 12 Harlingdon Road, Milhouse, Sheffield, England

[ii] This discharge appears “procedural” as his pay records appear to stop in December 1917. If he was on active service he would have been paid when he arrived in Canada.

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