Trevarthen Family History
Trevarthen Surname Meaning
Cornish: habitational name from Trevarthian (either Newlyn East or Saint Hilary, Cornwall). Both placenames derive from Middle Cornish tref ‘estate farmstead’.
The name is associated with a personal name related to Old Welsh Arthgen (Middle Welsh Arthen).
Source: Dictionary of American Family Names 2nd edition, 2022
