Explore the Family Name Isidor

The meaning of Isidor

1. French and Haitian: variant of Isidore. This surname was brought to the US mostly from Haiti. 2. Hispanic: altered form of Spanish Isidoro.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Isidor has seen a significant increase between 2000 and 2010. In terms of rank, it jumped from 105,905th place to 62,189th, marking an improvement by 41.28%. The count of individuals with this surname more than doubled in this period, rising from 156 to 322, a dramatic increase of 106.41%. Additionally, its proportion per 100,000 people also increased by 83.33%, going from 0.06 to 0.11 over a decade.

20002010Change
Rank#105,905#62,18941.28%
Count156322106.41%
Proportion per 100k0.060.1183.33%

Race and Ethnicity of people with the last name Isidor

The ethnic identity associated with the surname Isidor also saw some changes between 2000 and 2010, as per data from the Decennial U.S. Census. While there were no individuals identifying as Asian/Pacific Islander or American Indian and Alaskan Native in both years, the percentage of people identifying with two or more races dropped from 8.97% to zero. The proportion of individuals identifying as white saw a decrease of 38.87%, falling from 14.74% to 9.01%. However, those identifying as Hispanic saw an increase of 31.23%, making up 35.26% in 2000 and 46.27% in 2010. Meanwhile, the proportion of people identifying as Black increased slightly by 4.46%, accounting for 41.03% in 2000 and 42.86% in 2010.

20002010Change
Hispanic35.26%46.27%31.23%
Black41.03%42.86%4.46%
White14.74%9.01%-38.87%
Asian/Pacific Islander0%0%0%
Two or More Races8.97%0%0%
American Indian and Alaskan Native0%0%0%