In Sheffield's Shiregreen Cemetery, there is a family grave that is recorded on the excellent Sheffield Indexers site
BLACKHURST, Annie Maria (Widow, age 76). Died at Royal Hospital; Buried on April 15, 1958 in Unconsecrated ground; Grave Number 639, Section A of Shiregreen Cemetery, Sheffield. Parent or Next of Kin if Available: ~. Remarks: Removed from Basegreen. Plot Owner: ~ ~ of ~. Page No 28
BLACKHURST, Henry (Son of James Hill, age 16). Died at 45 Gressingham Road; Buried on December 15, 1932 in Unconsecrated ground; Grave Number 639, Section A of Shiregreen Cemetery, Sheffield.
BLACKHURST, James Hall Williamson (Engineer, age 59). Died at 45 Everingham Road; Buried on October 17, 1935 in Unconsecrated ground; Grave Number 639, Section A of Shiregreen Cemetery, Sheffield.
WOLSTENHOLME, Albert Eric (son of Albert, age 2). Died at 1 Wordsworth Crescent; Buried on March 7, 1940 in Consecrated ground; Grave Number 639, Section A of Shiregreen Cemetery, Sheffield.
The Guardian dated 14th December 1932 carried a report of an inquest into the death of the son Henry (Harry) Blackhurst age 16 who died on the previous Saturday. The verdict was accidental death but given the circumstances of his death the verdict should have been death due to inadequate education!!