Oct 14, 1888

Born in Ottawa, Ontario to Philippe and Marie (nee Layton) Mainguy

Apr 14, 1906

Served on the Honour Guard for the visit of HRH Prince Arthur, the Duke of Connaught in Ottawa, Ontario

Nov 7, 1914

Attested into the 21^st Battalion CEF in Kingston, Ontario

Ø  Number 833

Ø  Next of kin given as Philip Anstruther Mainguy, father, 15 Nepean St., Ottawa, Ontario

Ø  Previous occupation given as Civil Servant with the Department of the Interior

Ø  Previous military experience given as 43^rd Regiment DCOR (Duke of Cornwall’s Own Rifles) and 5^th Regiment PLDG (Princess Louise Dragoon Guards)

Ø  Religion given as Church of England

Ø  Posted to “F” Company

o   This was later reorganized into “D” Company

Ø  Attested with the rank of Corporal

The battalion trained in the Kingston area through the winter with headquarters in the Kingston Armouries

Jan 1, 1915

Appointed to the provisional rank of Sergeant

Mar 10, 1915

Struck off strength of the 21^st Battalion at his own request

Mar 29, 1915

Attested into the 8^th Battalion Canadian Mounted Rifles CEF in Ottawa, Ontario

Ø  Rank Provisional Lieutenant

Ø  Next of kin given as Philip Anstruther Mainguy, father, 12 Mather Apts., Cooper St., Ottawa, Ontario

Ø  Previous occupation given as Civil Servant with the Department of the Interior

Ø  Previous military experience given as 43^rd Regiment DCOR (Duke of Cornwall’s Own Rifles) and 5^th Regiment PLDG (Princess Louise Dragoon Guards) and 21^st Battalion CEF

Ø  Religion given as Church of England

The battalion trained in the Barriefield Camp, Kingston, Ontario

Jul 28, 1915

Qualified for the rank of Lieutenant

Aug 2, 1915

Married to Gwendoline Lillian Rosina Robins in Ottawa, Ontario

Embarked the SS Missanabie in Montreal, Quebec

Disembarked in Plymouth, England

Feb 29, 1916

Transferred to the 39^th Reserve Battalion in West Sandling

Apr 4, 1916

Embarked the SS Scandinavian in Liverpool with his wife and in-laws

Apr 17, 1916

Disembarked in Saint John, New Brunswick and proceeded to Ottawa, Ontario where he was Taken On Strength Military District No. 3 Headquarters Staff

Sep 1, 1916

Qualified as Musketry Instructor in Ottawa, Ontario

Sep 16, 1916

Qualified for the rank of Captain in Kingston, Ontario as a member of the 5^th Regiment, Princess Louise Dragoon Guards

Feb 25, 1917

Discharged from the CEF

Ø  Rank on discharge Lieutenant

Ø  Entitled to War Service Badge Class “B”

Ø  Proposed residence on discharge #12 Westminster Apts., Metcalfe St., Ottawa, Ontario

Following the end of the war, the British War Medal was sent to him at 201 Waverley St., Ottawa, Ontario

Jan 2, 1922

Emigrated to the United States with his wife and 2 children.  The family entered the United States at Rouses Point, New York and proceeded to Vineland, New Jersey

Jul 8, 1936

Herbert Mainguy was involved in a car crash in Fort Lauderdale, Florida and taken to the Miami Memorial Hospital with serious head injuries.

Jul 9, 1913

Herbert Layton Mainguy died in hospital from the injuries received in the car crash and was buried in the Evergreen Cemetery, Fort Lauderdale, Florida

 An inquest ruled his death was “inevitable”.