Explore the Family Name Duffney
The meaning of Duffney
1. Americanized form of French Canadian Dauphinais. 2. Possibly also Irish: shortened Anglicized form of Gaelic Ó Duibheannaigh or Ó Duibheamhna (see Devaney).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Duffney in the United States?
Based on the Decennial U.S. Census data, the surname Duffney has been steadily gaining popularity in the United States. In 2000, Duffney was ranked as the 53,299th most common surname, but by 2010, it had climbed to the 50,467th position—a rise of 5.31 percent. In terms of raw numbers, there were 364 individuals with the Duffney name in 2000 which increased to 414 in 2010, reflecting a 13.74 percent upswing. The proportion of people named Duffney per 100,000 also rose from 0.13 to 0.14 in the same period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #53,299 | #50,467 | 5.31% |
| Count | 364 | 414 | 13.74% |
| Proportion per 100k | 0.13 | 0.14 | 7.69% |
Race and Ethnicity of people with the last name Duffney
When considering the ethnic identity associated with the surname Duffney, the Decennial U.S. Census reports some shifts between 2000 and 2010. The majority of individuals with this surname identified as White, accounting for 96.98 percent in 2000 and slightly reducing to 95.89 percent in 2010. Meanwhile, a small percentage started identifying themselves as belonging to two or more races, specifically 1.69 percent in 2010. There was also a small emergence of American Indian and Alaskan Native representation at 1.45 percent in 2010. No individuals with the Duffney surname identified as Asian/Pacific Islander, Hispanic, or Black during these census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.98% | 95.89% | -1.12% |
| Two or More Races | 0% | 1.69% | 0% |
| American Indian and Alaskan Native | 0% | 1.45% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |