Source: Michael Doyle Their Name Liveth For Evermore: The Great War Roll of Honour for Leicestershire and Rutland.
He was the son of John U. Buckley a railway signal man, born 1853 in Coaley, Glos., and his wife Elizabeth M., born 1857 in Stockingford, Warwks. John Underwood Buckley was born in 1887 in Coalville, Leics., his siblings were, Catherine E., born 1879 in Ansley, Warwks., William T., born 1881 in Bedford, Grace J., born 1885 in Coalville, Leics., and Laura M., born 1891 in Swannington, Leics., in April 1891 the family home was at Station Road, Swannington, Leics. In March 1901 John was employed as a Midland Railway works driller and was residing in the family home at Station Row, Swannington, Leics., together with his parents and siblings, Laura and Frederick Edward, born 1895 in Swannington, Leics. In April 1911 John was employed as a coal miner and was residing in the family home at Ansley Buildings, Atherstone, Warwks., together with his wife of two years, Harriet, born 1889 in Hanley, Staffs., and their daughter Harriet, born 1910 in Hartshill, Warwks.

Source: Leicestershire War Memorials Project.
Coalville Times article - Friday February 18th, 1916

SWANNINGTON MEMORIAL SERVICE

The Whitwick and Thringstone Citizen Corps, under Commander G. F. Burton, together with the Scouts, under Scoutmaster Armstrong, and the Swannington Scouts, on Sunday morning attended the memorial service at St. George’s Church, where the Rev. G. Robinson, the vicar, preached a special sermon on patriotism and sympathy with the relatives of the fallen soldiers of his parish, viz., Privates J. A. Johnson, Wm. Wardle, Walter Shaw, Alfred Smith, and _____ Buckley. Citizen Company Sergeant-Major J. Lester read the first lesson, and Citizen O. Geary the second. Miss Atkins ably played the Dead March in “Saul,” and two scouts sounded the “Last Post.” Corporal Toon and Private Robinson, both soldiers on active service took the Citizens’ salute on their return march.

Research undertaken and submitted by Andy Murby 12/10/2017