Explore the Family Name Landrigan

The meaning of Landrigan

Irish: shortened Anglicized form of Gaelic Ó Longargáin (see Lonergan).

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Landrigan has seen a slight decrease in recent years. In 2000, Landrigan was ranked as the 38,198th most popular surname, while in 2010 it dropped to the 40,800th rank—a change of about -6.81%. The count of individuals with this surname also showed a minor decline from 545 in 2000 to 535 in 2010, suggesting a drop of approximately -1.83%. Consequently, the proportion of the surname per 100k people decreased by 10.0% during this decade.

	2000	2010	Change
Rank	#38,198	#40,800	-6.81%
Count	545	535	-1.83%
Proportion per 100k	0.2	0.18	-10%

Race and Ethnicity of people with the last name Landrigan

Turning our attention to the ethnic identity associated with the surname Landrigan, the Decennial U.S. Census data reveals some interesting shifts between 2000 and 2010. Predominantly, the majority of individuals with this surname identified as White, although the percentage declined slightly from 98.35% in 2000 to 95.51% in 2010. However, there were some notable increases in other ethnic groups. For instance, no individuals identified as Asian/Pacific Islander or of two or more races in 2000, but by 2010 these figures had increased to 0.93% and 1.31% respectively. Similarly, the number of those identifying as Hispanic doubled from 0.92% to 1.87% over the same period. The percentages of Black and American Indian and Alaskan Native individuals with this surname remained constant at 0%.

	2000	2010	Change
White	98.35%	95.51%	-2.89%
Hispanic	0.92%	1.87%	103.26%
Two or More Races	0%	1.31%	0%
Asian/Pacific Islander	0%	0.93%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%