Explore the Family Name Sienkiewicz

The meaning of Sienkiewicz

Polish: patronymic from Sieńko (see Sienko), a pet form of the East Slavic personal name Siemion (see Simon). Compare Sincavage and Sinkiewicz. Some characteristic forenames: Polish Andrzej, Henryk, Dorota, Zdzislaw, Casimir, Dariusz, Grazyna, Irena, Miroslawa, Slawomir, Tadeusz, Zigmond.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Sienkiewicz has seen a slight decline between 2000 and 2010. In 2000, Sienkiewicz was ranked 16,596th in popularity and had a count of 1,592 bearers. By 2010, the rank slipped to 17,896, and the count reduced slightly to 1,562. The proportion per 100,000 people also fell by 10.17%, from 0.59 to 0.53.

	2000	2010	Change
Rank	#16,596	#17,896	-7.83%
Count	1,592	1,562	-1.88%
Proportion per 100k	0.59	0.53	-10.17%

Race and Ethnicity of people with the last name Sienkiewicz

In terms of ethnicity, the figures from the Decennial U.S. Census show that the majority of individuals with the surname Sienkiewicz identify as White. This group accounted for 96.73% in 2000, dipping marginally to 95.33% in 2010. Asian/Pacific Islander and those identifying with two or more races both saw a decrease in percentage points, falling by 6.10% and 8.79% respectively. Interestingly, the number of people identifying as Hispanic showed a significant increase of 214.29%, although still representing a relatively small portion of the overall population carrying the surname Sienkiewicz. There were no individuals who identified as Black or American Indian and Alaskan Native in both years.

	2000	2010	Change
White	96.73%	95.33%	-1.45%
Hispanic	0.63%	1.98%	214.29%
Two or More Races	1.82%	1.66%	-8.79%
Asian/Pacific Islander	0.82%	0.77%	-6.1%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%