Title: The Fleet Annual
and Naval Year Book 1915, 1915, London, 31
Date: 1 January 1915
Place: At sea
The Navy's Immortal Names
OFFICERS AND MEN KILLED IN ACTION
. . .
Pluck, J., A.B.
. . .
This is PL1130 in Tree 1001. He was serving on HMS Formidable when it was sunk by a German submarine.