In Poelcapelle British Cemetery, Belgium is the Commonwealth War Grave of 1611 Corporal Thomas Henry Oliver serving with the 8th Battalion  Durham Light Infantry who died 26/04/1915.

David Sloan has provided the following:
Thomas Henry was born c1894 at Consett. He worked Lumley 6th Pit.
Parents: Gilbert and Frances Edith Lowerson, nee Oliver
(Actual parents Emmerson Oliver & Frances Edith ?? Emmerson died 1907 aged 42)

The 1911 Census shows Primrose Terrace (Primrose Hill) New Lambton
Gilbert Lowerson 47 born Rainton Miner; Frances Lowerson 46 born Medomsley; Mark Lowerson 13 born Lumley son Miner; Thomas Oliver 17 born Medomsley stepson Miner; William Lowerson 16 born Lumley son Miner; Arthur Bowes Oliver 15 born Medomsley stepson Miner; Norman Lowerson 14 born Lumley son Miner; Thomas H Lowerson 11 born Lumley son; Clifford Oliver 9 born Medomsley stepson; Beatrice Mary Oliver 11 born Medomsley step daughter; Dorothy Lowerson 8 born Lumley daughter; Barbara Lowerson 7 born Lumley daughter; Barbara Curry 15 born Lumley niece.

Two older siblings:
James Emmerson Oliver1887
Florence J (Isabel ??) Oliver 1891

He enlisted Fence Houses

His stepbrothers William and Mark Lowerson were also killed.

Thomas Henry Oliver is remembered at Burnmoor on B154.01, at Woodstone Village on W134.01, in the D.L.I. Book of Remembrance page 98 and in the Battalion History page 255.