Explore the Family Name Louth

The meaning of Louth

1. English: habitational name from Louth in Lincolnshire, so called from its position on the river Lud (Old English Hlūde, meaning ‘the loud one’). 2. Irish: when not of English origin (see 1 above), probably a shortened and altered form of McLeod. Compare McLouth.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Louth has seen a slight decrease between 2000 and 2010. In 2000, the rank of the surname was 39560, which dropped to 42937 in 2010, indicating a change of -8.54. Similarly, the count of individuals with this surname fell from 523 in 2000 to 504 in 2010, marking a -3.63 change. The proportion of people per 100k also saw a decrease from 0.19 to 0.17, a change of -10.53.

	2000	2010	Change
Rank	#39,560	#42,937	-8.54%
Count	523	504	-3.63%
Proportion per 100k	0.19	0.17	-10.53%

Race and Ethnicity of people with the last name Louth

The ethnicity associated with the surname Louth as revealed by the Decennial U.S. Census shows some interesting changes between 2000 and 2010. The percentage of people of Asian/Pacific Islander descent with this surname increased from 2.68% to 3.77%, a significant increase of 40.67%. However, there were no people identified as having two or more races, Black, or American Indian and Alaskan Native ethnicities with this surname during either year. The proportion of White individuals with this surname decreased slightly from 95.22% to 93.25%, a minor change of -2.07. Interestingly, the Hispanic population with this surname was zero in 2000 but rose to 1.98% in 2010.

	2000	2010	Change
White	95.22%	93.25%	-2.07%
Asian/Pacific Islander	2.68%	3.77%	40.67%
Hispanic	0%	1.98%	0%
Two or More Races	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%