Explore the Family Name Gilboy

The meaning of Gilboy

Irish and Scottish: 1. shortened Anglicized form of Gaelic Ó Giolla Bhuidhe ‘descendant of the yellow-haired (buidhe) lad’. This is a Connacht surname, sometimes replaced with Scottish Ogilvie. 2. variant of Bowie. Some characteristic forenames: Irish Brendan.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Gilboy has seen a slight increase in rank and count from 2000 to 2010. The rank of this surname moved from position 40,552 in 2000 to 39,717 in 2010, marking a progression of approximately 2.06%. Simultaneously, the count, or number of individuals bearing this surname, rose from 508 to 553 indicating an 8.86% growth over the decade. The proportion per 100k remained stable at 0.19.

	2000	2010	Change
Rank	#40,552	#39,717	2.06%
Count	508	553	8.86%
Proportion per 100k	0.19	0.19	0%

Race and Ethnicity of people with the last name Gilboy

Looking at the ethnic identity of individuals with the surname Gilboy, the Decennial U.S. Census provides an interesting snapshot. In 2000, nearly all (97.24%) identified as White, but by 2010, that percentage had slightly decreased to 94.94%. Over the same period, there was an observable increase in those identifying as Hispanic, from 1.18% to 2.53%, marking a substantial growth of 114.41%. Moreover, individuals identifying as Asian/Pacific Islander appeared within the Gilboy surname holders for the first time in 2010, accounting for 1.27%. No changes were reported for those identifying as Black, Two or more races, or American Indian and Alaskan Native.

	2000	2010	Change
White	97.24%	94.94%	-2.37%
Hispanic	1.18%	2.53%	114.41%
Asian/Pacific Islander	0%	1.27%	0%
Two or More Races	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%