Explore the Family Name Thiry

The meaning of Thiry

Walloon, French (mainly Lorraine and Ardennes), and Luxembourgish: from the personal name Thiry, a regional variant of French Thierry. This surname is also found in Germany and in the Flemish part of Belgium.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Thiry has seen a slight decrease in rank from 2000 to 2010, moving from 22,322 to 22,543, marking a reduction of approximately 1 percent. Despite this drop in rank, the actual count of individuals bearing this surname has risen by 5.85 percent during the same period, increasing from 1,077 in 2000 to 1,140 in 2010. Simultaneously, the proportion per 100k saw a minor decline of 2.5 percent.

	2000	2010	Change
Rank	#22,322	#22,543	-0.99%
Count	1,077	1,140	5.85%
Proportion per 100k	0.4	0.39	-2.5%

Race and Ethnicity of people with the last name Thiry

When it comes to ethnic identity, the Decennial U.S. Census data shows some interesting shifts between 2000 and 2010. The percentage of Thiry individuals identifying as White remained relatively stable, dipping slightly from 95.36 percent to 94.91 percent. Those identifying as Asian/Pacific Islander also saw a decrease from 0.84 percent to 0.70 percent. However, the proportion of those identifying with two or more races increased by 22.58 percent, while the Hispanic representation saw a significant jump of 64.03 percent. During this time, the Black population and American Indian and Alaskan Native population both dropped to zero, indicating no individuals with the Thiry surname identified with these ethnicities in 2010.

	2000	2010	Change
White	95.36%	94.91%	-0.47%
Hispanic	1.39%	2.28%	64.03%
Two or More Races	0.93%	1.14%	22.58%
Asian/Pacific Islander	0.84%	0.7%	-16.67%
Black	0.93%	0%	0%
American Indian and Alaskan Native	0.56%	0%	0%