Trevillian Family History
Trevillian Name Meaning
Cornish: variant of Trevelyan a habitational name from Trevelyan in Saint Veep (Cornwall). The placename derives from Middle Cornish tre(f) ‘estate farmstead’ + either an unrecorded Old Cornish personal name equivalent either to Old Breton Ilian or the recorded Old Cornish Milian with mutation of m to v. This form of the surname is very rare in Britain and Ireland. Compare Trovillion .
Source: Dictionary of American Family Names 2nd edition, 2022