Trevail Family History
Trevail Surname Meaning
from one or more of Trevail (Cubert) Treveal (Zennor) or Treveale (Ladock) all in Cornwall. The place-name derives from Middle Cornish tre ‘estate farmstead’ + an unrecorded Old Cornish given name *Mail corresponding to Old Breton and Middle Welsh Mael with mutation of m to v after the feminine word tre.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
