William Jones was born in Ysceifiog, Flintshire on 21 November 1881.

During April 1891 the family lived in Water Street, Caerwys, Flintshire.  The head of the family was Thomas Jones aged 49, who was employed as a Wheelwright.  His wife Sarah Jones aged 42 and their 7 (seven) children – Mary Elizabeth Jones aged 20, who was employed as a Mill Hand the Afonwen Paper Mill.  Thomas Jones aged 17, a Farm Servant, Edward Jones aged 16, a Farm Servant, John Jones aged 13, William Jones aged 10, Sarah Jane Jones aged 5 and Robert Henry Jones aged 4 years.

The 1901 Census shows that the family continue to live in Water Street, Caerwys, but Sarah has by now died, leaving Thomas a Widower.

By 1911 the family have moved to Marian Cottage, Caerwys.  Mary Elizabeth Jones, Thomas Jones (Jnr) and Edward Jones had now left home, leaving John Jones who was now 32 years of age and employed as a Plasterer, William Jones aged 29, a Joiner, Sarah Jane Jones aged 24, a Housekeeper and Robert Henry Jones aged 22, employed as a Plasterer.

William Jones enlisted as a Private in the Royal Engineers during 1915 at The Drill Hall, Flint and he served for three years in France before being killed in action on 29 September 1918.

His brother, Robert Henry Jones also served in the Royal Engineers during the war but survived.

William Jones is also remembered on the North Wales Heroes Memorial Arch, Deiniol Road, Bangor, Gwynedd, North Wales.

There is a Flintshire Roll of Honour card for him at the County Archives Office, Hawarden, which was completed by his sister Sarah Jane Jones on 12 November 1919.