Charles Harold was the son of Francis Walker and his wife Mary (née Newton).
His father was born in East Bridgford, Nottinghamshire, in about 1841 and his mother Mary Newton in Cropwell Butler in 1849. They were married at Tithby Holy Trinity and had four children who were all born in Tithby and baptised at Holy Trinity: John Newton b. 1881, Edith Mary b. 1883, Charles Harold b. 1885 bap. 9 October 1885 and Hilda Hannah b. 1887.
Francis was a farmer who was also a drill maker. He and his wife were living in Tithby in 1881, the year after their marriage, and were recorded in the village on the census 1891-1911.
In 1901 only three of their four children were in the home on the night of the census, Edith, John who was working on the farm and Charles who was still at school. The younger sister, Edith, was one of ten boarders at a private girls' school, Burnham House, in East Bridgford.
By 1911 Charles was also assisting his father on the farm while his brother John's occupation was given as drill manufacturer. Hilda was still at home but of no given occupation. Francis employed a farm servant and general domestic servant.
The eldest daughter, Edith Mary had married Harry Needham (b. 1867), a Wesleyan Methodist minister, in 1904 and in 1911 they were living in Birstall Yorkshire. Their daughter Mary Hilda was born later that year and their son, Charles Francis, four years later in 1915.
Charles' father completed a form for the army in June 1919, witnessed by Rev. H Needham of Burford Road, Nottingham, listing his son's surviving blood relatives:
Parents: Francis and Mary Walker res. Tithby
Brother: John Newton Walker (38) res. Bingham
Sisters: Hilda H. Walker (32) res. Tithby. Edith M Needham (35) res. Nottingham.
Nephew/niece: Mary Hilda Needham (8, 1911 reg. Dewsbury Yorks) and Charles Francis Needham (3, reg. 1915 Middlesborough) res. Nottingham
Uncles/aunts: John Newton (58) res. Cropwell Butler, Hannah Newton (68) res. Bingham, Rebekah Doncaster [née Newton] (61) res. Bingham, Sarah Squires (66) res. Lanham.
Francis Walker died on 9 May 1925 aged 83. In 1939 when the England & Wales Register was compiled his widow Mary was living at Ragnall House, Dunham on Trent, East Retford, Nottinghamshire, with her married daughter Hilda Lake (m. 1920), Hilda's husband George, a farmer and also an air raid warden, and their daughter Mary Edith (b. 1923). Edith Needham and her husband Harry, a retired minister, were living in Woodthorpe, Nottingham, with Edith's maternal aunts, Hannah Newton (b. 1850) single OAP and Rebekah Doncaster (b. 1857) widow living on private means. Mary Walker died on 3 December 1943 aged 94 and was buried with her husband in Cropwell Butler Cemetery.