Explore the Family Name Delaunay
The meaning of Delaunay
French: habitational name, with fused preposition de ‘from’, denoting someone from L’Aunay, the name of several places in the northern part of France, derived from Old French aulne ‘alder tree’. Compare Deloney. History: This surname is listed in the (US) National Huguenot Society’s register of qualified Huguenot ancestors.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Delaunay in the United States?
Based on the Decennial U.S. Census data, the surname Delaunay has seen a rise in its popularity between 2000 and 2010. In the year 2000, it was ranked as the 84,631st most popular surname, while by 2010, it had jumped to the 76,768th position, marking an increase of 9.29%. The number of individuals bearing the Delaunay surname also rose from 206 in 2000 to 250 in 2010, demonstrating a 21.36% growth. However, the proportion per 100,000 people remained stable at 0.08.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #84,631 | #76,768 | 9.29% |
| Count | 206 | 250 | 21.36% |
| Proportion per 100k | 0.08 | 0.08 | 0% |
Race and Ethnicity of people with the last name Delaunay
Concerning the ethnicity breakdown of the Delaunay surname holders, the Decennial U.S. Census data shows some shifts over the decade from 2000 to 2010. While the percentages of Asian/Pacific Islander and American Indian and Alaskan Native backgrounds remained at zero, other ethnic identities saw significant changes. The share of those identifying with two or more races dropped from 3.88% to 3.20%, a decrease of 17.53%. White representation also decreased from 79.13% to 71.20%, a 10.02% decline. Conversely, both Hispanic and Black ethnic identities saw increases. Hispanic representation grew by 33.85%, moving from 7.77% to 10.40%, while Black representation surged by 69.88%, jumping from 7.77% to 13.20%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 79.13% | 71.2% | -10.02% |
| Black | 7.77% | 13.2% | 69.88% |
| Hispanic | 7.77% | 10.4% | 33.85% |
| Two or More Races | 3.88% | 3.2% | -17.53% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |