Jack was born in Datchworth in 1888 and the son of Joseph & Susan Lisles of 9, Brampton Park Rd., Hitchin. He was registered as Jack Scales Lisles - Scales was his mother’s surname and she was probably related to Herbert Scales (qv). In 1901 he was at home at Holly Bush cottages, Datchworth. with parents and his father occupation was ploughman. Jack was recorded as John. In 1911 he was living with his widowed mother at the same address and working as a farm labourer; his first name is shown as Jack. He had been born in Datchworth, but was living in Hitchin where he enlisted. He was unmarried. He had worked at the Hitchin Urban District Council sewage farm before enlisting.