Explore the Family Name Ill

The meaning of Ill

Perhaps an altered form of German Ihl, a variant of Ihle. Some characteristic forenames: German Kurt, Mathias.

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

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

The surname "Ill" saw a slight decrease in popularity from 2000 to 2010, based on the Decennial U.S. Census data. In 2000, it was ranked as the 61,855th most popular surname in the United States, and by 2010, it had fallen slightly to the 62,714th spot, marking a decline of 1.39%. However, the count of individuals sharing this surname increased from 303 to 319 across the decade, signaling growth of 5.28%. The proportion per 100k people remained stable at 0.11 in both census years.

20002010Change
Rank#61,855#62,714-1.39%
Count3033195.28%
Proportion per 100k0.110.110%

Race and Ethnicity of people with the last name Ill

In terms of ethnic identity, the distribution for those with the surname "Ill" experienced notable changes between 2000 and 2010, according to the Decennial U.S. Census. The percentage of those identifying as Asian/Pacific Islander and Hispanic went from 1.98% and 1.65% in 2000 respectively, to being suppressed in 2010 for privacy reasons. Conversely, individuals who identified with two or more races emerged in the 2010 census at 1.57%, having not been present in 2000. White individuals made up the majority of the "Ill" surname holders, increasing from 89.77% in 2000 to 90.60% in 2010. Those identifying as Black decreased slightly during this period, from 5.94% to 5.33%. There were no recorded instances of American Indian and Alaskan Native identifications within this surname group in either year.

20002010Change
White89.77%90.6%0.92%
Black5.94%5.33%-10.27%
Two or More Races0%1.57%0%
Asian/Pacific Islander1.98%0%0%
Hispanic1.65%0%0%
American Indian and Alaskan Native0%0%0%