Everest is the direct English translation of the French surname Deveraux.
The name, while famous for Mt Everest, is not very wide spread and is most populous in south east England in Kent. It seems the name Deveraux arrived in England with William the Conqueror and was later translated.
Everest Name Meaning English (of Norman origin): habitational name from Evreux in Eure, France, probably named from its association with the Eburovices, a Gaulish tribe.