Explore the Family Name Treanor

The meaning of Treanor

Irish (Down, Armagh and Monaghan): variant of Trainor. Some characteristic forenames: Irish Brendan, Seamus, Conley, Declan, James Patrick, Sinead.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Treanor has seen a slight decrease over the decade from 2000 to 2010. In 2000, Treanor ranked at 17,067 in terms of frequency, but by 2010 it had slipped to 17,809, reflecting a 4.35% drop. However, the actual count of individuals with this surname rose slightly, from 1,534 in 2000 to 1,572 in 2010, a growth of 2.48%. The proportion per 100,000 population decreased by 7.02%, going from 0.57 in 2000 to 0.53 in 2010.

	2000	2010	Change
Rank	#17,067	#17,809	-4.35%
Count	1,534	1,572	2.48%
Proportion per 100k	0.57	0.53	-7.02%

Race and Ethnicity of people with the last name Treanor

When examining the ethnic identity associated with the surname Treanor as recorded in the Decennial U.S. Census, we can see some shifts between 2000 and 2010. The most common ethnicity associated with this surname is White, accounting for 95.76% in 2000 and decreasing slightly to 94.34% in 2010. There was an increase among those who identify as Asian/Pacific Islander, rising from 0.46% to 0.64%, and those identifying as having two or more races, which increased from 1.04% to 1.40%. Among those identifying as Hispanic, there was an uptick from 2.41% in 2000 to 2.93% in 2010. No individuals with the surname Treanor identified as Black or American Indian and Alaskan Native in either census year.

	2000	2010	Change
White	95.76%	94.34%	-1.48%
Hispanic	2.41%	2.93%	21.58%
Two or More Races	1.04%	1.4%	34.62%
Asian/Pacific Islander	0.46%	0.64%	39.13%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%