Explore the Family Name Wilmarth

The meaning of Wilmarth

English: variant of Wilmot. History: Thomas Wilmarth (1620–90) came to North America in 1639. He was one ofthe proprietors of Rehoboth, MA, in 1643.

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

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

Based on the Decennial U.S. Census data, the surname Wilmarth has seen a slight dip in popularity from 2000 to 2010. In 2000, it was ranked 27,924th, but by 2010, it had fallen to 29,064th, marking a 4.08% drop. Similarly, the proportion of people with this surname per 100,000 individuals decreased by 6.67%, moving from 0.3 to 0.28. However, the total count of individuals bearing the Wilmarth surname experienced a minor increase of 0.87%, shifting from 809 in 2000 to 816 in 2010.

20002010Change
Rank#27,924#29,064-4.08%
Count8098160.87%
Proportion per 100k0.30.28-6.67%

Race and Ethnicity of people with the last name Wilmarth

When considering ethnic identity, the Decennial U.S. Census data shows diversity within those carrying the Wilmarth surname. The largest ethnicity represented is White, though its presence diminished slightly from 95.80% in 2000 to 94.12% in 2010. Meanwhile, representation from Hispanic and Asian/Pacific Islander backgrounds saw increases within the same decade. The percentage of Hispanic individuals increased substantially by 73.65% to reach 2.57% in 2010, while the Asian/Pacific Islander category grew by 24.24% to represent 1.23% of the total. The data also revealed a new demographic in 2010, with 1.35% identifying as two or more races, a category that was not represented in 2000. Conversely, the American Indian and Alaskan Native group, which accounted for 0.74% in 2000, was no longer present in 2010. The Black ethnicity remained consistent at 0% for both census years.

20002010Change
White95.8%94.12%-1.75%
Hispanic1.48%2.57%73.65%
Two or More Races0%1.35%0%
Asian/Pacific Islander0.99%1.23%24.24%
Black0%0%0%
American Indian and Alaskan Native0.74%0%0%