Explore the Family Name Sein

The meaning of Sein

1. Basque: nickname from sein ‘child’. 2. Burmese: from a personal name usually forming part of a compound name, from sein ‘diamond’. — Note: Since Burmese do not have hereditary surnames, this name was registered as such only after immigration of its bearers to the US. Some characteristic forenames: Spanish Blanca, Jorge, Juan, Manuel, Ramona.

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

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

Based on the Decennial U.S. Census, the surname Sein has seen a significant surge in popularity over the years. In 2000, it ranked 41,448 with a count of 495 people carrying the name, but by 2010, it had jumped to the rank of 30,825 and was being used by 755 individuals, marking a considerable increase of 52.53%. The proportion of people per 100,000 with this last name also increased from 0.18 to 0.26, indicating a 44.44% rise.

	2000	2010	Change
Rank	#41,448	#30,825	25.63%
Count	495	755	52.53%
Proportion per 100k	0.18	0.26	44.44%

Race and Ethnicity of people with the last name Sein

The Decennial U.S. Census also reveals shifting trends in the ethnicity associated with the surname Sein. The most noteworthy change is the increase in the number of individuals identifying as Asian/Pacific Islander, which rose from 29.09% in 2000 to 51.52% in 2010, an impressive 77.11% growth. Conversely, there were drops in the percentage of those identifying as White or Hispanic, falling by 41.90% and 26.32%, respectively. Those identifying as two or more races also saw a decrease, from 2.83% to 1.46%. There were no recorded changes for individuals identifying as Black or American Indian and Alaskan Native.

	2000	2010	Change
Asian/Pacific Islander	29.09%	51.52%	77.11%
Hispanic	44.04%	32.45%	-26.32%
White	23.03%	13.38%	-41.9%
Two or More Races	2.83%	1.46%	-48.41%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%