Explore the Family Name Olejniczak

The meaning of Olejniczak

Polish: patronymic from the occupational name Olejnik. Some characteristic forenames: Polish Bogdan, Czeslaw, Jacek, Jadwiga, Kazimierz, Lech, Piotr, Tadeusz, Thadeus, Wladyslaw.

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

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

The surname Olejniczak registered some changes in popularity from the years 2000 to 2010, according to data from the Decennial U.S. Census. In 2000, it was ranked as the 20,599th most popular surname and by 2010, it had slipped slightly to 21,019th, representing a 2.04% decrease in rank. However, the count of individuals bearing the name increased from 1,195 in 2000 to 1,251 in 2010 - a rise of 4.69%. Despite this increase, the proportion per 100,000 people dropped by 4.55%.

	2000	2010	Change
Rank	#20,599	#21,019	-2.04%
Count	1,195	1,251	4.69%
Proportion per 100k	0.44	0.42	-4.55%

Race and Ethnicity of people with the last name Olejniczak

The ethnic identity associated with the surname Olejniczak also saw some shifts between 2000 and 2010, based on the Decennial U.S. Census data. The highest percentage consistently belonged to those identifying as White, although there was a slight decrease from 98.24% in 2000 to 97.92% in 2010. Interestingly, the Hispanic percentage climbed significantly from 0.42% to 1.04% over the decade, marking a 147.62% increase. Those identifying as Asian/Pacific Islander and two or more races both decreased, with the former dropping to zero and the latter decreasing by 32.20%. There were no changes for Black, American Indian, and Alaskan Native identities, remaining at zero throughout the decade.

	2000	2010	Change
White	98.24%	97.92%	-0.33%
Hispanic	0.42%	1.04%	147.62%
Two or More Races	0.59%	0.4%	-32.2%
Asian/Pacific Islander	0.42%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%