Thomas Henry Douglas was born in Llanasa, Flintshire on 16 July 1886.

During April 1901 the family lived at Croeswain, Caerwys, Flintshire.  The head of the family was Robert Douglas aged 47, who was employed as a Gamekeeper.  His wife Agnes aged 46 and their four children who were living at home at that time- Thomas Henry Douglas aged 15, who was employed as a Bricklayers Labourer, Elizabeth Agnes Douglas aged 21, a Domestic Housemaid, Evaline Douglas aged 14 and Agnes Douglas aged 9, who were both at school.  They also had two other children, who had left home namely, William Douglas and Mary Jane Douglas.  Both parents originated from Scotland.

On 10 September 1910 Thomas married Jane Ellen Rpberts and they lived at the Post Office House, High Street, Caerwys.  Thomas is now employed as a Gardeners Labourer.  They had one son, Robert Arthur Douglas who was born on 19 April 1911.

During 1912 the family moved to Fron Heulog, Afonwen, Flintshire, where they had another son, Richard Henry Douglas, who was born on 23 July 1913.

On 3 January 1917 Thomas enlisted at Queensferry, Flintshire as a Private in the Royal Welsh Fusiliers.  At that time he was described as 5’8″, brown eyes, 37″, chest measurement 37″ with a range of expansion of 2″.

On 28 April 1919, Jane received a widows pension from the War Office for herself and the two children of £1.5s.5d per week.

He 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 wife Jane Elizabeth Douglas on 19 November 1919.