The Royal Blue Book: Court and Parliamentary Guide for 1940, published by Kelly’s Directories [note 1], lists two people with the surname Yeo:
– Edmund L. Yeo at 43 Pembroke Square, London W8 (a turning off Kensington High Street)
– James Yeo at 41 Circus Road, London NW8 (in St John’s Wood, close to Regent’s Park).
Edmund Leighton Yeo died later in 1940 – see Edmund Leighton Yeo and Diana Mary Reid.
James Yeo also died later in 1940 – see James Yeo – from rags to riches.
Note
1. Brian Fisher was kind enough to provide a copy of the book.