Explore the Family Name Tadych

The meaning of Tadych

Polish: from a pet form of the personal name Tadeusz, from Latin Thaddeus (see Taddeo).

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

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

According to the Decennial U.S. Census, the popularity of the surname Tadych saw a slight decline from 2000 to 2010. The rank of this surname dropped from 40,335 in 2000 to 41,234 in 2010, a decrease of 2.23 percent. Despite this drop in ranking, the actual count of individuals with the surname Tadych increased by 3.33 percent during the same period, rising from 511 in 2000 to 528 in 2010. However, the proportion per 100,000 people declined by 5.26 percent, indicating that while the raw number of people with this surname increased, its relative prevalence compared to other surnames decreased.

	2000	2010	Change
Rank	#40,335	#41,234	-2.23%
Count	511	528	3.33%
Proportion per 100k	0.19	0.18	-5.26%

Race and Ethnicity of people with the last name Tadych

When we examine the ethnic identity associated with the surname Tadych, based on the Decennial U.S. Census data, it is predominantly linked to White ethnicity. In 2000, 97.06 percent of people with this surname identified as White, a figure that slightly declined to 96.02 percent in 2010. Meanwhile, Hispanic representation also declined from 1.76 percent in 2000 to 1.52 percent in 2010. Notably, there was an emergence of diversity over the decade with individuals identifying as Two or more races and American Indian and Alaskan Native appearing in the 2010 Census, although these groups represented less than 1 percent each of all Tadychs. No individuals with the surname Tadych identified as Asian/Pacific Islander or Black in either census year.

	2000	2010	Change
White	97.06%	96.02%	-1.07%
Hispanic	1.76%	1.52%	-13.64%
American Indian and Alaskan Native	0%	1.52%	0%
Two or More Races	0%	0.95%	0%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%