When Britain still had an empi "Four Handley Page W.10 and one Handley
Page W.9 Hampstead aircraft of Imperial Airways, being christened by Maud,
Lady Hoare, Viscountess Templewood (1882 - 1962), wife of the British
Secretary of State for Air, Samuel Hoare."
"5 NEW LINERS OF THE SKIES christened by Lady Maude Hoare for service on
Imperial Airways" (1926):
https://www.youtube.com/watch?v=jSgYExg9vHA&t=10m