Explore the Family Name Treharne

The meaning of Treharne

Welsh (Glamorgan and Carmarthenshire): from the Welsh personal name Trahaearn, composed of the elements tra ‘most, very’ + haearn ‘iron’.

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

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

Based on the Decennial U.S. Census data, the surname Treharne has seen a slight decrease in popularity over a decade, moving from rank 61713 in 2000 to 62531 in 2010, a 1.33% change. However, the number of individuals carrying the Treharne surname has actually increased by 5.26%, from 304 in 2000 to 320 in 2010. The proportion per 100,000 people remained constant at 0.11 between 2000 and 2010.

20002010Change
Rank#61,713#62,531-1.33%
Count3043205.26%
Proportion per 100k0.110.110%

Race and Ethnicity of people with the last name Treharne

Turning to the ethnic identity associated with the surname Treharne, the Decennial U.S. Census data shows minimal changes between 2000 and 2010. The majority of individuals with this surname identify as White, although there was a slight decrease of 1.37% in this group, from 94.74% in 2000 to 93.44% in 2010. Meanwhile, the percentage identifying as Hispanic showed an increase of 37.16%, moving from 2.96% in 2000 to 4.06% in 2010. Minimal representation was recorded for those identifying as part of two or more races, whilst no individuals identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either year.

20002010Change
White94.74%93.44%-1.37%
Hispanic2.96%4.06%37.16%
Two or More Races0%1.56%0%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%