From Commonwealth War Graves Commission (cwgc.org):
Stoker 1st Class 288255 Noah Robert Jonas
Died 13th May 1915, age 36
(RFR/DEV/B/754). H.M.S. "Goliath."
Son of Levie and Mary Jonas, of Higher Crabtree, Laira, Plymouth; husband of Elizabeth Jonas, of Wesley Place, Harberton, Devon.
Plymouth Naval Memorial, panel 6