William was the son of James Atkin and his wife Annie nee Heighway.
James was born in Anslow, Staffordshire, the son of Charles Atkin, a collier. Annie was born in Leominster, Hereford, (birth registered 1869 J/F/M Leominster) the daughter of Hiram Heighway, a railway guard.
James (23) and Annie (24) were married at Stapenhill St Peter, Derbyshire, on 24 December 1893; both were resident in Stapenhill. According to the 1911 Census when they had been married for 18 years they had had nine children of whom only 8 survived: William Herbert b. 31 May 1892, Charles James b. 31 January 1894 (J/F/M Burton on Trent), Rosamond Margaret b. 1895 (A/M/J Burton on Trent) bap. 15 June 1898 Stapenhill St Peter, Frances Mabel b. 1898 (A/M/J Burton on Trent) bap. 15 June 1898 Stapenhill St Peter, Samuel Henry b. 1 August 1900 (J/A/S Basford), John b. abt 1903, Dorothy May b. abt. 1906, and Frederick Arthur b. 22 May 1910 (J/A/S Basford). The eldest four children were born in Stapenhill, Derbyshire, and the four youngest in Kirkby in Ashfield.
At the time of Rosamond and Frances' christening in June 1898 the family was living at 65 Waterside, Stapenhill, Derbyshire, but had moved to Kirkby in Ashfield by the time of Samuel's birth in 1900 and in 1901 were living on Vernon Road in Kirkby in Ashfield. James (31) was a coal miner. He and Annie had five children: William (8), Charles (7) Rosamund (6), Frances (2) and Samuel (8 months).
By 1911 James and Annie were living at 27 Cookson Street, Kirkby in Ashfield. All eight of their children were still living at home: William (18) a coal hewer, Charles (17) a pony driver underground, Rosamond (16), Frances (12), Samuel (10), John (8), Dorothy (4) and Frederick (10 months).
The family home was still at 27 Cookson Street at the time of William's death in 1916. However, the later CWGC record gives his mother's address as 55 Clumber Street, East Kirkby, Nottinghamshire.
William's father, James, may have died in 1930 (Mar Basford) aged 60.
Of William's siblings:
Dorothy May probably died in 1919 aged 13 (death index: Dorothy May Atkin b. abt 1906 d. 1919 June Nottingham)
Charles James probably died in 1985 (Dec Mansfield) aged 91. Probate: Atkin Charles James of 2 Cookson St Kirkby in Ashfield Notts died 2 December 1985 Probate Manchester 27 January Not exceeding £40000.
Frederick Arthur probably died in 1977 (Dec Mansfield) aged 67. Probate: Atkin Frederick Arthur of 28 Alexandra St Kirkby in Ashfield Notts died 7 October 1977 Administration Nottingham 6 December £1421.