Explore the Family Name Sielaff

The meaning of Sielaff

German: possibly from a personal name composed of the ancient Germanic elements sigi ‘victory’ + wolf ‘wolf’. Some characteristic forenames: German Ernst, Ulrich.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Sielaff has shown a slight increase over the decade from 2000 to 2010. In 2000, the surname was ranked 39,304th in the United States and by 2010 it had climbed to 38,801st position, indicating a growth of 1.28%. The total count of people with this surname also grew from 527 in 2000 to 569 in 2010, marking an increase of almost 8%. However, the proportion per 100,000 of population has slightly declined from 0.2 to 0.19 during the same period.

	2000	2010	Change
Rank	#39,304	#38,801	1.28%
Count	527	569	7.97%
Proportion per 100k	0.2	0.19	-5%

Race and Ethnicity of people with the last name Sielaff

When looking at the ethnicity associated with the surname Sielaff, according to the Decennial U.S. Census data, there are predominantly individuals identifying as White holding this surname. In both 2000 and 2010, over 97% of the individuals with the Sielaff surname identified themselves as White, although there was a minor decrease of 0.18% over the decade. There were no individuals identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native recorded in either year. Interestingly, while there were no individuals with Hispanic ethnicity carrying this surname in 2000, by 2010 there was a small emergence of 1.23% within the Sielaff population identifying as Hispanic. The percentage of people identifying with two or more races decreased from 0.95% in 2000 to none in 2010.

	2000	2010	Change
White	97.72%	97.54%	-0.18%
Hispanic	0%	1.23%	0%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0.95%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%