John Macdonell according to Wikipedia:
"Lieutenant Colonel John Macdonell of Greenfield (19 April 1785 – 14 October 1812) was an aide-de-camp to British Major General Sir Isaac Brock during the War of 1812, dying in the Battle of Queenston Heights."
|Source - Lt. Col. John Macdonnell|
From The Documentary History of the Campaign Upon the Niagara Frontier ..:
A song was written about Lieutenant Colonel John Macdonell entitled Macdonell on the Heights (also on YouTube).