Source: Michael Doyle Their Name Liveth For Evermore: The Great War Roll of Honour for Leicestershire and Rutland.
He was the son of George Butler a granite quarry man, born 1860 in Shepshed, Leics., and his wife Sarah Ann, born 1862 in Shepshed, Leics. William was born in 1896 in Shepshed, Leics., his siblings were, James, born 1882, Bateman Butler, born 1888, George, born 1891, Lucy Ada, born 1894, Sarah Ann, born 1900 and John Albert, born 1898, all his siblings were born in Shepshed, Leics., in March 1901 the family home was at Bridge Street, Shepshed, Leics. In April 1911 William was employed as an errand boy and was residing in the family home at Bridge Street, Shepshed, Leics., together with his parents and siblings, George, Lucy and John. His younger brother John Albert also fell in action. The War Diary for today records. P. C. NANCY. B Coy relieved A Coy in front line, night of 15th/16th April.