The 1911 Census was tricky to find - as they just gave initials...

George Thomas MORGAN
Victoria S... Cinderford

MORGAN

G J - 30 - Coal Miner (Hewer) - born Yorks, Castleford
E - 23 (the second number heavily overwritten) - marrried 6 years, 4 children born alive, 3 living 1 dead) born Glos Nailbridge
L - 4 - born Glou Cinderford
J - 2 - born Glam-shire - Treherbert
S - 1 - Glou-shire - Cinderford

Think the one they lost was Edith Maud MORGAN - baptised 16 August 1910, West Dean White, George (Collier) & Edith

(Gloucestershire, England, Non-Conformist Baptisms Index)

Nailbridge is close to Drybrook the Parish where they married.