Explore the Family Name Trevarthen

The meaning of Trevarthen

Cornish: habitational name from Trevarthian (either Newlyn East or Saint Hilary, Cornwall). Both placenames derive from Middle Cornish tref ‘estate, farmstead’ + a personal name related to Old Welsh Arthgen (Middle Welsh Arthen).

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Trevarthen in the United States?

According to the Decennial U.S. Census, the surname Trevarthen has seen a slight increase in popularity from 2000 to 2010. In 2000, Trevarthen was ranked 75,695th most common surname in the United States with 237 individuals carrying the name. By 2010, the rank had improved to 72,568th, reflecting a growth of 4.13%, and the count increased to 268 individuals, marking a 13.08% surge. However, despite its increased popularity, the proportion per 100,000 people remained steady at 0.09%.

20002010Change
Rank#75,695#72,5684.13%
Count23726813.08%
Proportion per 100k0.090.090%

Race and Ethnicity of people with the last name Trevarthen

The census data also provides information about the ethnic identity associated with the surname Trevarthen. In both 2000 and 2010, no individuals with the surname identified as Asian/Pacific Islander, part of two or more races, Black, or American Indian and Alaskan Native. The vast majority identified as White, although this percentage decreased from 98.31% in 2000 to 95.52% in 2010. Interestingly, there was a new emergence of individuals identifying as Hispanic in 2010, accounting for 2.99% of all Trevarthens, which was not recorded in the 2000 U.S. Census.

20002010Change
White98.31%95.52%-2.84%
Hispanic0%2.99%0%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%