Explore the Family Name Sir

The meaning of Sir

1. German: variant of Sier, unexplained. This surname is very rare in Germany. 2. Czech (Šír): nickname from Middle High German schīr ‘sheer, pure, clean’. Compare Schier.

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

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

Based on the Decennial U.S. Census data, the surname "Sir" has seen a decrease in popularity from 2000 to 2010. In the year 2000, this surname was ranked 77,472 in terms of commonality in the United States, but by 2010 it had slipped to 78,040—a slight drop of 0.73%. However, the overall count of individuals bearing this surname saw an increase of 6.52%, growing from 230 in 2000 to 245 in 2010. Despite this growth in absolute numbers, the proportion of people named "Sir" per 100,000 decreased by 11.11% from 0.09 to 0.08.

	2000	2010	Change
Rank	#77,472	#78,040	-0.73%
Count	230	245	6.52%
Proportion per 100k	0.09	0.08	-11.11%

Race and Ethnicity of people with the last name Sir

The ethnic identity associated with the surname "Sir" also shifted between 2000 and 2010, according to the Decennial U.S. Census data. The percentage of those identifying as Asian/Pacific Islander dropped by 9.89%, from 21.74% in 2000 to 19.59% in 2010. The number identifying as having two or more ethnicities fell significantly to zero. Those identifying as White saw a small increase of 1.69%, from 62.61% in 2000 to 63.67% in 2010. There were also notable increases among those identifying as Hispanic and Black, at 25.19% (from 9.13% to 11.43%) and 69.12% (from 2.17% to 3.67%) respectively. The percentage of individuals identifying as American Indian and Alaskan Native remained unchanged at zero.

	2000	2010	Change
White	62.61%	63.67%	1.69%
Asian/Pacific Islander	21.74%	19.59%	-9.89%
Hispanic	9.13%	11.43%	25.19%
Black	2.17%	3.67%	69.12%
Two or More Races	4.35%	0%	0%
American Indian and Alaskan Native	0%	0%	0%