Explore the Family Name Hernon

The meaning of Hernon

Irish (Galway and Offaly): 1. Anglicized form of Gaelic Ó hIarnáin, Ó hEarnáin, ‘descendant of Iarnán or Earnán’, a personal name possibly from iarn ‘iron’. 2. shortened form of Heffernan. Some characteristic forenames: Irish Brendan, Colm.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Hernon saw a slight decline between 2000 and 2010. In 2000, Hernon was ranked 36,860 in terms of popularity and decreased to 39,486 by 2010, reflecting a 7.12% drop. The number of individuals with this surname also experienced a marginal decrease from 571 to 557 during this time period, representing a 2.45% change. The proportion of persons named Hernon per 100,000 people also showed a drop of 9.52% over these ten years.

	2000	2010	Change
Rank	#36,860	#39,486	-7.12%
Count	571	557	-2.45%
Proportion per 100k	0.21	0.19	-9.52%

Race and Ethnicity of people with the last name Hernon

In relation to ethnicity, the Decennial U.S. Census data presents an interesting shift in the Hernon surname holders' ethnic identity between 2000 and 2010. The percentage identifying as White fell slightly from 93.70% to 92.10%. There was a significant increase in those identifying as Hispanic (1.40% to 2.51%) and Black (from no recorded data to 2.69%). Individuals who identify as Asian/Pacific Islander also increased their representation from 1.40% to 1.97%. However, the proportion of Hernon surname holders identifying with two or more races dropped to zero, and there were no changes for those identifying as American Indian and Alaskan Native.

	2000	2010	Change
White	93.7%	92.1%	-1.71%
Black	0%	2.69%	0%
Hispanic	1.4%	2.51%	79.29%
Asian/Pacific Islander	1.4%	1.97%	40.71%
Two or More Races	1.4%	0%	0%
American Indian and Alaskan Native	0%	0%	0%