John Keiller MacKay

J. Keiller MacKay
Official portrait, 1958
19th Lieutenant Governor of Ontario
In office
December 30, 1957 – May 1, 1963
MonarchElizabeth II
Governors GeneralVincent Massey
Georges Vanier
PremierLeslie Frost
John Robarts
Preceded byLouis Orville Breithaupt
Succeeded byWilliam Earl Rowe
Personal details
Born
John Keiller MacKay

(1888-07-11)July 11, 1888
Plainfield, Nova Scotia, Canada
DiedJune 12, 1970(1970-06-12) (aged 81)
Toronto, Ontario, Canada
Resting placeMt. Pleasant Cemetery
Military career
AllegianceCanada
RankLieutenant-Colonel
Commands6th Brigade, Canadian Field Artillery
Battles / warsBattle of the Somme
Battle of Vimy Ridge
MacKay's monument at Mount Pleasant Cemetery in Toronto

Lieutenant-Colonel John Keiller MacKay OC DSO VD KC (July 11, 1888 – June 12, 1970) was a Canadian soldier, lawyer and jurist. MacKay served as the 19th lieutenant governor of Ontario from 1957 to 1963.