Explore the Family Name Mcduffy
The meaning of Mcduffy
Irish and Scottish: variant of McDuffie.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Mcduffy in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Mcduffy has seen a slight decrease between 2000 and 2010. In 2000, the surname was ranked 19,759 in terms of popularity, but by 2010 it had dropped to 21,403, representing an 8.32% decrease. The count of individuals with the Mcduffy surname also declined from 1,261 in 2000 to 1,222 in 2010, marking a 3.09% fall. Notably, the proportion per 100k people decreased by 12.77% during this period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #19,759 | #21,403 | -8.32% |
| Count | 1,261 | 1,222 | -3.09% |
| Proportion per 100k | 0.47 | 0.41 | -12.77% |
Race and Ethnicity of people with the last name Mcduffy
In regards to ethnicity, the Mcduffy surname is predominantly associated with the Black community, as evidenced by the Decennial U.S. Census data. In 2000, 69.39% of those with the Mcduffy surname identified as Black, a figure that rose slightly to 70.62% in 2010. The White community held the second highest representation, though it saw a decline from 27.20% in 2000 to 23.08% in 2010. The percentages of those identifying as Two or more races and Hispanic showed increases of 29.67% and 245.07%, respectively. However, no individuals with the Mcduffy surname identified as Asian/Pacific Islander in either year, while a small proportion (0.65%) identified as American Indian and Alaskan Native in 2010, where there were none in 2000.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Black | 69.39% | 70.62% | 1.77% |
| White | 27.2% | 23.08% | -15.15% |
| Two or More Races | 2.46% | 3.19% | 29.67% |
| Hispanic | 0.71% | 2.45% | 245.07% |
| American Indian and Alaskan Native | 0% | 0.65% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |