Explore the Family Name Gallacher

The meaning of Gallacher

Irish: from Ó Gallchobhair, see Gallagher.

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

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

According to the Decennial U.S. Census data, the popularity of the surname Gallacher experienced a significant decrease between 2000 and 2010. In 2000, the surname ranked 28,888 in popularity, but it slipped to rank 34,758 by 2010, representing a decline of 20.32%. The total count of individuals bearing the surname also dropped from 775 in 2000 to 650 in 2010, a reduction of 16.13%. The proportion of individuals named Gallacher per 100,000 people decreased by 24.14%, from 0.29 in 2000 to 0.22 in 2010.

	2000	2010	Change
Rank	#28,888	#34,758	-20.32%
Count	775	650	-16.13%
Proportion per 100k	0.29	0.22	-24.14%

Race and Ethnicity of people with the last name Gallacher

Regarding the ethnic identity associated with the surname Gallacher, data from the Decennial U.S. Census shows that it is predominantly linked to White ethnicity. In both 2000 and 2010, over 95% of individuals with this surname identified as White. However, there was a slight decrease in this group over the decade, with the percentage falling from 96.65% in 2000 to 95.38% in 2010. There was a notable increase in the proportion of individuals identifying as Hispanic, growing from 1.16% in 2000 to 2.77% in 2010, a rise of 138.79%. Individuals identifying as two or more races were a small percentage, declining slightly from 1.16% to 1.08% during this period. No individuals with the Gallacher surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native.

	2000	2010	Change
White	96.65%	95.38%	-1.31%
Hispanic	1.16%	2.77%	138.79%
Two or More Races	1.16%	1.08%	-6.9%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%