Could this be him?

COATES, Frederic George

Registration district: [?] Tewkesbury

County: Gloucestershire

Year of registration: 1903

Quarter of registration: Apr-May-Jun

Mother's maiden name: Not available before 1911 Q3

Volume no:[?]6A

Page no:[?]483

In 1911 he is living in Yew Tree Cottages, Tewkesbury with parents Henry (c1870), Wine Merchants Porter and Mary and brother William (1900).