Explore the Family Name Tretheway
The meaning of Tretheway
Cornish (Cornwall and Devon): variant of Trethewey. This form of the surname is rare in Britain and Ireland.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Tretheway in the United States?
According to data from the Decennial U.S. Census, the popularity of the surname Tretheway saw a slight decline between 2000 and 2010. In 2000, it ranked 75,466 in terms of popularity among all surnames, but fell to 83,226 by 2010, a decrease of approximately 10.28%. The count of individuals with this surname also dropped from 238 to 226 over the same period, reflecting a decrease of about 5.04%. Accordingly, the proportion of the population with this surname per 100,000 people decreased by 11.11%, moving from 0.09 to 0.08.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #75,466 | #83,226 | -10.28% |
| Count | 238 | 226 | -5.04% |
| Proportion per 100k | 0.09 | 0.08 | -11.11% |
Race and Ethnicity of people with the last name Tretheway
In terms of ethnic identity, the Decennial U.S. Census data reveals that the vast majority of individuals carrying the surname Tretheway identify as White. In 2000, 97.90% of Tretheways identified as such, a number which slightly declined to 97.35% in 2010. There was no recorded change in other ethnic identities such as Asian/Pacific Islander, Two or more races, Hispanic, Black, or American Indian and Alaskan Native between these years. For some categories, the data was possibly suppressed for privacy, so no specific numbers are available.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.9% | 97.35% | -0.56% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |