Explore the Family Name Isais

The meaning of Isais

Hispanic (mainly Mexico): from a variant of the Biblical personal name Isaías (see Isaiah).

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

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

The surname Isais has grown in popularity from 2000 to 2010, according to data from the Decennial U.S. Census. It moved up in ranking from 27,235 in 2000 to 23,472 in 2010, a significant improvement of approximately 13.82%. In terms of the number of individuals bearing this surname, there was an increase from 835 in 2000 to 1,083 in 2010, a growth rate of almost 29.7%. This means that for every 100,000 people in the U.S., the proportion named Isais increased from 0.31 in 2000 to 0.37 in 2010, a rise of 19.35%.

	2000	2010	Change
Rank	#27,235	#23,472	13.82%
Count	835	1,083	29.7%
Proportion per 100k	0.31	0.37	19.35%

Race and Ethnicity of people with the last name Isais

In regards to ethnic identity, the Isais surname is predominantly linked with Hispanic ethnicity as per the Decennial U.S. Census. In both 2000 and 2010, a majority of those carrying this name identified as Hispanic, with percentages standing at 92.57% and 94.55% respectively, marking an increase of around 2.14%. A small percentage of the Isais population identified as White in 2000 (5.75%), but this decreased by 22.96% to 4.43% in 2010. There were also some people who identified as American Indian and Alaskan Native in 2000, accounting for 1.08% of the population, though this dropped to zero by 2010. Interestingly, in 2010, a small percentage (0.46%) of individuals with the Isais surname began identifying with two or more races. No individuals identified as Asian/Pacific Islander or Black during these years.

	2000	2010	Change
Hispanic	92.57%	94.55%	2.14%
White	5.75%	4.43%	-22.96%
Two or More Races	0%	0.46%	0%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	1.08%	0%	0%