Explore the Family Name Trethewey
The meaning of Trethewey
Cornish: habitational name from several among nine places in Cornwall named from Cornish tre ‘homestead, settlement’ + Thewi, a lenited form of the personal name Dewi (equivalent to David), such as Trethewey (Saint Levan), Trethevey (Lanlivery), and Trethevy (Saint Cleer). The surname Trethewey may occasionally have been confused with Treadaway.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Trethewey in the United States?
Based on the Decennial U.S. Census data, the surname Trethewey has seen a slight decrease in popularity between 2000 and 2010. In 2000, it ranked 48,021 in popularity with 414 individuals bearing this surname, equivalent to 0.15 per 100,000 people. By 2010, its rank dropped to 50,275 and the count just slightly increased to 416, maintaining a proportion of approximately 0.14 per 100,000 individuals. This indicates a marginal decline of about 4.69% in its popularity rank and a minor rise of about 0.48% in its count.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #48,021 | #50,275 | -4.69% |
| Count | 414 | 416 | 0.48% |
| Proportion per 100k | 0.15 | 0.14 | -6.67% |
Race and Ethnicity of people with the last name Trethewey
In terms of ethnicity, the data from the Decennial U.S. Census revealed that the majority of individuals with the Trethewey surname identified as White, making up 94.23% of the group in 2010, down from 95.89% in 2000. A small percentage also identified as Hispanic, which saw a substantial increase from 1.45% in 2000 to 2.88% in 2010. Additionally, there were those who identified with two or more races, forming 1.44% of the group in 2010, down from 1.69% in 2000. However, no individuals with the Trethewey surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.89% | 94.23% | -1.73% |
| Hispanic | 1.45% | 2.88% | 98.62% |
| Two or More Races | 1.69% | 1.44% | -14.79% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |