Last name Trevethick (Trevethick 
) , all over the world, is a rare cognomen. The family name Trevethick is characteristic of New Zealand, where it is a rare surname, the United Kingdom, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in the United Kingdom, New Zealand, and the United States. Much less frequently, Trevethick is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trevethick | United Kingdom, Australia, Spain, New Zealand, United States |
|
jonathan trevethick Member of the New Zealand Legislative Council, NZ (b. 1864) |
|
| sam trevethick theatre person in New Zealand |
|
Mr, Janet, Jayne, Tyson, Nancy, Emily, Finty, Arthur, Arlene, Amelia, Linda, Pennie, Leanna, Lilian, Jeremy, Tobias, Travis, Nicole, Bethany, Raymond, Richard, Damian, Gaige, David, Rhian, Ms, Kim, Rob, Don, Ian, Mary, Mike, Alma, Anne, Beth, Katy, Paul, Greg, John, Tony, Troy, Edan, Sarah, Simon, Karen, Robyn, Dorothy, and Valerie