Explore the Family Name Kirgan

The meaning of Kirgan

Irish: variant of Kerrigan or McKirgan, the latter probably an Anglicized form of Mac Ciaragáin.

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

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

According to the data from the Decennial U.S. Census, the popularity of the surname Kirgan saw a slight dip between 2000 and 2010. In the year 2000, it ranked 51,809 in terms of prevalence among all surnames, but dropped to the rank of 56,073 by 2010 - an 8.23% decrease. The count of individuals with this surname also decreased from 377 to 365, a change of -3.18%. This change is further reflected in the proportion per 100,000 people, which fell by 14.29% from 0.14 to 0.12.

20002010Change
Rank#51,809#56,073-8.23%
Count377365-3.18%
Proportion per 100k0.140.12-14.29%

Race and Ethnicity of people with the last name Kirgan

In terms of ethnic identity as reported in the Decennial U.S. Census, the distribution for the surname Kirgan showed some shifts from 2000 to 2010. The largest group maintaining this surname self-identified as White, though this percentage lowered slightly from 94.43% to 93.15%. Meanwhile, those identifying as Hispanic or of two or more races with this surname increased, with Hispanics rising from 1.59% to 1.92%, and those of two or more races increasing from 1.86% to 2.19%. The proportion of Asian/Pacific Islanders using the surname Kirgan also rose marginally from 1.33% to 1.37%. There were no reported Black or American Indian and Alaskan Native individuals carrying this surname in either census year.

20002010Change
White94.43%93.15%-1.36%
Two or More Races1.86%2.19%17.74%
Hispanic1.59%1.92%20.75%
Asian/Pacific Islander1.33%1.37%3.01%
Black0%0%0%
American Indian and Alaskan Native0%0%0%