Explore the Family Name O’hanlon

The meaning of O’hanlon

Irish (Armagh and Louth): Anglicized form of Gaelic Ó hAnluain (see Hanlon). Some characteristic forenames: Irish Eamonn, Dermot, Jarlath.

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

How common is the last name O’hanlon in the United States?

Based on data from the Decennial U.S. Census, the surname O’Hanlon has seen a slight dip in popularity between 2000 and 2010. In 2000, it ranked 14,168th, but by 2010, it had fallen to 14,474th, marking a change of -2.16%. However, the number of people bearing the O’Hanlon name actually rose during this period, with the count increasing by 6.07% from 1,945 in 2000 to 2,063 in 2010. Despite this increase in absolute numbers, the proportion of O’Hanlons per 100,000 people decreased by 2.78%.

	2000	2010	Change
Rank	#14,168	#14,474	-2.16%
Count	1,945	2,063	6.07%
Proportion per 100k	0.72	0.7	-2.78%

Race and Ethnicity of people with the last name O’hanlon

In terms of ethnicity, again referencing data from the Decennial U.S. Census, there were notable shifts within the O’Hanlon surname bearers from 2000 to 2010. The percentage identifying as Asian/Pacific Islander saw a substantial rise of 53.66%, increasing from 0.41% to 0.63%. Similarly, those reporting Hispanic identity grew by 39.38%, moving up from 2.26% to 3.15%. There was also a small increase of 20.13% in individuals claiming two or more races, increasing from 1.49% to 1.79%. On the other hand, there was a slight decline in those identifying as White, falling 2.07% from 95.63% to 93.65%. New categories appeared in the 2010 census: 0.53% identified as Black and 0.24% as American Indian and Alaskan Native, which were not reported in 2000.

	2000	2010	Change
White	95.63%	93.65%	-2.07%
Hispanic	2.26%	3.15%	39.38%
Two or More Races	1.49%	1.79%	20.13%
Asian/Pacific Islander	0.41%	0.63%	53.66%
Black	0%	0.53%	0%
American Indian and Alaskan Native	0%	0.24%	0%