Explore the Family Name Gillmore

The meaning of Gillmore

Irish (Monaghan and Sligo) and English: variant of Gilmore.

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

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

According to the Decennial U.S. Census data, the popularity of the surname Gillmore experienced a slight decrease from 2000 to 2010. In 2000, it ranked 15,470 in terms of frequency and increased to rank 16,315 by 2010, marking a change of -5.46%. However, the actual count of individuals with the surname Gillmore slightly increased during this period, from 1,738 in 2000 to 1,766 in 2010, representing a growth of 1.61%. The proportion of the surname per 100,000 decreased by 6.25% from 0.64 in 2000 to 0.6 in 2010.

	2000	2010	Change
Rank	#15,470	#16,315	-5.46%
Count	1,738	1,766	1.61%
Proportion per 100k	0.64	0.6	-6.25%

Race and Ethnicity of people with the last name Gillmore

The ethnicity distribution of the surname Gillmore also witnessed changes from 2000 to 2010, based on the Decennial U.S. Census data. The percentage of those identifying as White marginally declined from 89.64% in 2000 to 89.13% in 2010. Meanwhile, the Hispanic representation in the Gillmore surname group saw a significant increase of 60.27%, rising from 2.19% in 2000 to 3.51% in 2010. Those identifying as Black decreased by 25.51% during this time frame, falling from 6.39% to 4.76%. The percentages of Asian/Pacific Islander and American Indian and Alaskan Native were previously suppressed but appeared in 2010, at 0.57% and 0.62% respectively. Lastly, there was an 11.81% increase in people identifying with the Gillmore surname as having two or more races, moving from 1.27% in 2000 to 1.42% in 2010.

	2000	2010	Change
White	89.64%	89.13%	-0.57%
Black	6.39%	4.76%	-25.51%
Hispanic	2.19%	3.51%	60.27%
Two or More Races	1.27%	1.42%	11.81%
American Indian and Alaskan Native	0%	0.62%	0%
Asian/Pacific Islander	0%	0.57%	0%