John Crichton was the youngest son of John and Martha Crichton. He was born on 1st June 1888 in Belfast. The family lived in Belfast but his father was a cloth finisher who worked at various times in Coalisland. John Jack Crichton emigrated to the United States in 1910. Prior to enlisting, Jack was living in Ontario, Canada. He enlisted in December 1915. Private Jack Crichton was serving with the 4th Battalion of the Canadian Infantry when he died of wounds at a Canadian Field Ambulance in France on 5th July 1917.
Neuville-St. Vaast is a village 6.5 kilometres north of Arras, a little east of the road from Bethune to Arras. La Targette British Cemetery lies to the south-west of the village on the north-west side of the road (D55) to the village of Maroeuil.