He was the husband of E. Marshall, of 16, Middle Row, Bates Cottages, Seaton Delaval.
Morpeth Herald 07/09/1917 carries the following:
Sergt. W.T.B. [sic] Marshall, R.F.A., Seaton Delaval, has died of wounds.
Morpeth Herald 21/09/1917 carries a brief obituary:
Mr and Mrs Luke Jacques, 16 Middle Row, Bates Cottages, Seaton Delaval, have received word of the death from wounds received in action of their son-law, Sergt. Wm. T.[sic]B. Marshall, R.F.A.
He is remembered at Holywell on H67.02