William Jamfrey was eldest son of Thomas and Elizabeth Jamfrey. He was born on 10th April 1888 in Omagh Interesting he was named William Jeffers. He was one of seven children. All the children were born in Cookstown except William. By 1911 William, his brother and his father were all employed as railway porters. Private William Jeffers was injured in the summer of 1917. Private William Jeffers was serving with the 2nd Battalion of the Seaforth Highlanders when he died in France on Saturday 2nd November 1918, just nine days before the Armistice was signed and the war ended.
St. Souplet is a village about 6 kilometres south of Le Cateau, which is a small town approximately 20 kilometres south-east of Cambrai. St Souplet British Cemetery lies to the south-west of the village after the village of St. Benin.