Explore the Family Name Illa

The meaning of Illa

Catalan: habitational name from a place called Illa or Ille-sur-Têt (in southern France), or from the vocabulary word illa ‘island’ (from Latin insula), applied as a topographic name.

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

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

Based on the Decennial U.S. Census, the surname Illa has seen a significant increase in popularity between 2000 and 2010. In 2000, it was ranked 65,862nd and by 2010 it had risen to rank 57,234th, marking a notable change of 13.1%. The number of people bearing the surname also increased over this period, growing from 281 individuals in 2000 to 356 in 2010, a rise of 26.69%. Consequently, the proportion of individuals named Illa per 100,000 people saw a growth of 20%, moving from 0.1 to 0.12.

	2000	2010	Change
Rank	#65,862	#57,234	13.1%
Count	281	356	26.69%
Proportion per 100k	0.1	0.12	20%

Race and Ethnicity of people with the last name Illa

In terms of ethnicity, the Decennial U.S. Census data shows some interesting shifts amongst individuals with the surname Illa. There was a marked increase among those identifying as Asian/Pacific Islander, which rose by an impressive 57.85% from 4.27% in 2000 to 6.74% in 2010. The Hispanic demographic also saw growth, increasing by 6.94% from 55.16% in 2000 to 58.99% in 2010. There was also a small uptick among those identifying as Black, going up by 28.07% from 2.85% to 3.65%. Meanwhile, the proportion of individuals identifying as White dropped by 22.59% from 37.01% to 28.65%. Interestingly, 2010 marked the first time individuals with the surname Illa identified as belonging to two or more races, accounting for 1.97% of the total.

	2000	2010	Change
Hispanic	55.16%	58.99%	6.94%
White	37.01%	28.65%	-22.59%
Asian/Pacific Islander	4.27%	6.74%	57.85%
Black	2.85%	3.65%	28.07%
Two or More Races	0%	1.97%	0%
American Indian and Alaskan Native	0%	0%	0%