Biography:
Mark Kincaid Mackenzie was born 22 August 1888, the only son of the Hon. Charles Kincaid Mackenzie, Lord Mackenzie of the Scottish Court of Sessions, and Lady Mackenzie, daughter of the Rt. Hon. George Young, Lord Young PC.
Mark came to Winchester College from Horris Hill in September 1901 and was in H House, Bramston's. He was a House Prefect and played in Lords XI 1905-1907, and played in Commoner VI and XV in 1906.
He left Winchester in the summer of 1907 for Magdalen College, Oxford, and took his degree in 1910. He was gazetted to the 4th Battalion King's Royal Rifle Corps in 1911.
At the outbreak of war he was home on leave from India and went to the front immediately with the 3rd Battalion of the Rifle Brigade. He was killed at the Battle of the Aisne on 25 September 1914, while leading his platoon in a night attack on the German position near Soupir, north-east of Soissons. He fell wounded but got up and continued to cheer his men on until he fell again close to the enemy trenches.