Background
IRWIN, De la Cherois Thomas was born on March 31, 1843 in Armagh, Ireland.
IRWIN, De la Cherois Thomas was born on March 31, 1843 in Armagh, Ireland.
Privately; Royal Military Academy, Woolwich.
Entered Royal Artillery, 1861. Retired as Lieutenant-Colonel 1882. Entered Canadian Military Service, 1872.
Retired, 1909; Royal Marines Staff College, 1871-1872. Inspector of Artillery for Dominion of Canada, 1882 - 98. Commandant Royal School of Artillery, 1873-1882.
Commanding Royal Canadian Artillery, 1883-1897. President Dominion Artillery Association, 1900 -1901. Honourable Aide-de-camp to Governor-General; Honourable Secretary of the Canadian Patriotic Fund Association; retired, Royal Canadian Artillery.
Club: Rideau, Ottawa.
Spouse 1867, Isabella,daughter of Robert Hamilton of Ham wood, Quebec.