Lower Duffryn Colliery electrocution, 1911

Two excavators, John G. Christy and George Young, were electrocuted at the Powell Duffryn Steam Coal Company's Lower Duffryn Colliery near Mountain Ash on 9 May 1911.

Cause

Electrocution.

What happened

On 9 May 1911 John G. Christy and George Young, excavators working at the Lower Duffryn Colliery near Mountain Ash, then owned by the Powell Duffryn Steam Coal Company, were electrocuted; both died.

Recorded claims

Individual factual claims, each attached to the source(s) that support it below. Where sources disagree, both are kept.

• On 9 May 1911 two men were electrocuted at the Lower Duffryn Colliery, near Mountain Ash. ^1,2
• The dead were John G. Christy, 29, and George Young, 26, excavators. ^1,2
• The colliery belonged to the Powell Duffryn Steam Coal Company Limited. ²

Related terminology

Mining terms this disaster is structurally linked to, with the nature of the relationship.

• Coal (contextual relationship)
  Named in this record’s summary: “…and George Young, were electrocuted at the Powell Duffryn Steam Coal Company's Lower Duffryn Colliery near Mountain Ash on 9 May 1911.”
• Colliery (contextual relationship)
  Named twice in this record, first in the summary: “…at the Powell Duffryn Steam Coal Company's Lower Duffryn Colliery near Mountain Ash on 9 May 1911.”

Sources

1. (secondary) Welsh mining fatalities, 1911 — Welsh Coal Mines
2. (secondary) NMRS Coal Mining Accidents and Deaths: John G. Christy, Lower Duffryn, 9 May 1911 (record 11223) — Northern Mine Research Society

Record created: 11 October 2026 · Last researched: 11 October 2026