Explore the Family Name Dethomas

The meaning of Dethomas

Americanized form (also De Thomas) of Italian Di Tomasso and probably also of Di Tommaso. Some characteristic forenames: Italian Natale, Dino.

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

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

Based on the Decennial U.S. Census data, the surname Dethomas has seen a mild increase in popularity between 2000 and 2010. In 2000, it ranked as the 53,299th most popular surname, but by 2010, it had risen to the 52,482nd position, representing an upward shift of 1.53%. The number of individuals bearing this surname also grew during this period. In 2000, there were 364 individuals with the name Dethomas and by 2010, this figure had increased by 8.52% to 395. However, when considering the proportion per 100,000 people, the presence of the Dethomas surname remained constant at 0.13.

	2000	2010	Change
Rank	#53,299	#52,482	1.53%
Count	364	395	8.52%
Proportion per 100k	0.13	0.13	0%

Race and Ethnicity of people with the last name Dethomas

In terms of ethnic identity, the majority of individuals with the Dethomas surname identify as White, according to the Decennial U.S. Census data. In 2000, this group represented 86.26% of all Dethomases, although this percentage saw a slight decline to 83.04% by 2010. The next largest ethnic group within the Dethomas population is those identifying as Hispanic, which increased from 10.99% in 2000 to 13.42% in 2010. Individuals who identify with two or more races also saw an increase, moving from 1.65% in 2000 to 2.03% in 2010. No individuals with the Dethomas surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year.

	2000	2010	Change
White	86.26%	83.04%	-3.73%
Hispanic	10.99%	13.42%	22.11%
Two or More Races	1.65%	2.03%	23.03%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%