John Owens was born at Bootle c 1879, the son of James and Ellen Owens. His parents were both born in Ireland; his father at Roscommon and his mother at Dublin. 
His parents lived at various addresses in the Bootle area; in 1881 at 22 Matthew Street and in 1891 and 1901 at 43 Brasenose Road.
An extensive biography can be found at Our Lady of Reconciliation War Memorial
Reports on his death appeared in the Liverpool Echo on the 11th June 1915 and in the Evening Express on the 14th June 1915. The photo that appeared in the Liverpool Echo report is reproduced here with the kind permission of the Liverpool Daily Post & Echo.
   Private J. Owens, of the 1st East Lancashire Regiment, who was killed in action, had seen considerable active service, as he had served in India and through the Boer War. He volunteered again in August, and had been in France since October. Before the war he was employed as a coal heaver with the Cunard Company. He resided with his wife and two children at 146, Burlington-street, Scotland-road.

Evening Express 14th June 1915

   Mrs. Owens, of 146, Burlington-street, Liverpool, has received news that her husband, Pte. J. Owens, was killed in action on May 13.
   Private Owens, who worked at the Cunard Co. as a coal-heaver, joined the 1st South-East Lancs. Regiment at the outbreak of the war. He had served his time in the Army, and had been on service in India and South Africa. He was 38 years of age, and leaves two children.

Liverpool Echo 11th June 1915