[5] He stood unopposed in a by-election triggered by Sir Hugh Michael Seely being elevated to the peerage.

[3] Following the death of Grey when he was killed in action with his regiment in France, William Beveridge retained Berwick for the Liberals in the subsequent by-election.

[8] His death was noted by the House when Speaker of the Commons, Douglas Clifton Brown informed the Members.

His words were recorded in Hansard:[9] I regret to have to inform the House of the death, in action, of Captain George Charles Grey, Member for the County of Northumberland (Berwick-upon-Tweed Division), and I desire on behalf of the House to express our sense of the loss we have sustained and our sympathy with the relatives of the honourable Member.In 1938, Grey joined the Grenadier Guards Supplementary Reserve of Officers.

[4][10] A captain in the 4th Battalion Grenadier Guards, he was participating in Operation Bluecoat when he was killed by a sniper as his tank was hit advancing through Lutain Wood.