Explore the Family Name Seijo

The meaning of Seijo

Galician: Castilianized form of a habitational name from any of numerous places called Seixo, in Galicia (Spain), derived from seixa ‘stone’ (from Latin saxum).

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

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

Based on the Decennial U.S. Census, the popularity of the surname Seijo increased between 2000 and 2010. In 2000, Seijo was ranked 56,526th in terms of frequency, but by 2010 it had risen to 47,966th, marking a change of 15.14 percent. The total number of individuals bearing the surname also grew over this decade, with a count of 338 in 2000 increasing to 441 in 2010, a significant increase of 30.47 percent. For every 100,000 people in the US, the number of people named Seijo rose from 0.13 to 0.15, demonstrating an increase in proportion of 15.38 percent.

	2000	2010	Change
Rank	#56,526	#47,966	15.14%
Count	338	441	30.47%
Proportion per 100k	0.13	0.15	15.38%

Race and Ethnicity of people with the last name Seijo

Turning to ethnic identity, the Decennial U.S. Census data shows interesting shifts among those carrying the Seijo surname from 2000 to 2010. The percentage identifying as Asian/Pacific Islander rose by 26.24 percent, from 5.03 percent in 2000 to 6.35 percent in 2010. Meanwhile, the proportion identifying as White decreased by 30.75 percent, moving from 18.34 percent in 2000 to 12.70 percent in 2010. The largest ethnic group within the Seijo surname remained those identifying as Hispanic, which increased slightly from 75.15 percent in 2000 to 79.14 percent in 2010, showing a growth of 5.31 percent. Those identifying as Black or American Indian and Alaskan Native were not represented in either census year, as indicated by a zero percentage.

	2000	2010	Change
Hispanic	75.15%	79.14%	5.31%
White	18.34%	12.7%	-30.75%
Asian/Pacific Islander	5.03%	6.35%	26.24%
Two or More Races	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%