Explore the Family Name Illingworth

The meaning of Illingworth

English (Yorkshire): habitational name from Illingworth in Yorkshire. The placename derives from the Old English personal name Ylla or Illa + the Old English connective -ing- + worth ‘enclosure’. See also Ellingsworth.

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

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

Based on the Decennial U.S. Census, the surname Illingworth has seen a slight increase in popularity over the years. Ranked 23,514th in 2000, it moved up to 22,689th in 2010, which is a 3.51% change. In terms of count, there were 1,007 people with this surname in 2000 and this number increased by 12.21% to 1,130 in 2010. The proportion per 100,000 people also saw a modest increase from 0.37 in 2000 to 0.38 in 2010.

	2000	2010	Change
Rank	#23,514	#22,689	3.51%
Count	1,007	1,130	12.21%
Proportion per 100k	0.37	0.38	2.7%

Race and Ethnicity of people with the last name Illingworth

When examining the ethnicity of those bearing the surname Illingworth, data from the Decennial U.S. Census reveals some shifts between 2000 and 2010. The percentage of individuals identifying as White decreased from 87.59% to 82.04%, while those identifying as Hispanic saw an increase from 10.23% to 14.16%. The proportion of individuals reporting their ethnic identity as American Indian and Alaskan Native also saw a significant rise, from 0.70% to 1.77%. There was no data for Asian/Pacific Islander or Black ethnic identities in 2000, but by 2010, these groups made up 0.53% and 0.62% respectively. Those identifying with two or more races also saw an increase, from 0.79% to 0.88%.

	2000	2010	Change
White	87.59%	82.04%	-6.34%
Hispanic	10.23%	14.16%	38.42%
American Indian and Alaskan Native	0.7%	1.77%	152.86%
Two or More Races	0.79%	0.88%	11.39%
Black	0%	0.62%	0%
Asian/Pacific Islander	0%	0.53%	0%