Explore the Family Name Hefferan

The meaning of Hefferan

Irish (Cork): variant of Hefferon.

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

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

The surname Hefferan's popularity has seen a slight decrease in the rank according to data from the Decennial U.S. Census. In 2000, it was ranked 47,939th but dropped marginally to 48,347th in 2010, a change of -0.85%. Despite this, the count of individuals with the Hefferan surname rose by 5.3% during this decade, from 415 to 437. The proportion per 100k people, however, remained steady at 0.15.

20002010Change
Rank#47,939#48,347-0.85%
Count4154375.3%
Proportion per 100k0.150.150%

Race and Ethnicity of people with the last name Hefferan

As for the ethnic identity linked to the surname Hefferan, the data from the Decennial U.S. Census reveals that there was a notable shift between 2000 and 2010. In 2000, almost all (99.52%) of those with the Hefferan surname identified as White. By 2010, while this group still made up the majority, their percentage had decreased to 95.19%, marking a change of -4.35%. During the same period, there was an emergence of individuals with this surname identifying as Hispanic, accounting for 3.66% in 2010. There were no recorded changes in the proportions of other ethnicities such as Asian/Pacific Islander, two or more races, Black, or American Indian and Alaskan Native.

20002010Change
White99.52%95.19%-4.35%
Hispanic0%3.66%0%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%