Explore the Family Name Theil

The meaning of Theil

1. North German: variant of Theel. 2. Altered form of German Thiel. 3. French: topographic name from a central and western form of tilleul ‘lime tree, linden’ (from Latin tilia), or a habitational name from any of several minor places called Theil. Some characteristic forenames: German Hellmut, Reinhold.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Theil has seen a decrease between 2000 and 2010. In 2000, Theil was ranked 38,890th in terms of popularity, while in 2010 it dropped to rank 44,808. This represents a decline of approximately 15.22%. Similarly, the count of individuals with this surname also decreased from 534 in 2000 to 479 in 2010, marking a decrease of 10.3%. When considering representation per 100,000 people, the proportion of individuals named Theil went from 0.2 in 2000 to 0.16 in 2010, indicating a 20% drop.

	2000	2010	Change
Rank	#38,890	#44,808	-15.22%
Count	534	479	-10.3%
Proportion per 100k	0.2	0.16	-20%

Race and Ethnicity of people with the last name Theil

In terms of ethnicity, the majority of individuals with the surname Theil identify as White, according to the Decennial U.S. Census. In both 2000 and 2010, over 96% identified as White, though there was a slight decrease of 0.17% in 2010. Interestingly, there was a significant increase in those identifying as Hispanic, from 0.94% in 2000 to 1.88% in 2010, which is a 100% increase. There were no individuals who identified as Black, Asian/Pacific Islander, or American Indian and Alaskan Native in either year. Additionally, those identifying as of two or more ethnic identities dropped from 1.31% in 2000 to none in 2010.

	2000	2010	Change
White	96.82%	96.66%	-0.17%
Hispanic	0.94%	1.88%	100%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	1.31%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%