Explore the Family Name Diffin
The meaning of Diffin
Irish (Armagh and Derry): shortened Anglicized form of Gaelic Ó Duibhfinn, see Duffin 2.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Diffin in the United States?
Based on the Decennial U.S. Census data, the surname Diffin has seen a decline in its popularity over a decade from 2000 to 2010. In 2000, Diffin ranked 52,289 in popularity and this rank fell to 58,876 in 2010, recording a decrease of 12.6%. Concurrently, the count of people carrying the Diffin surname also reduced by 7.77%, with 373 people in 2000 to 344 in 2010. The proportion of individuals sporting the Diffin name for every 100,000 people also witnessed a drop of 14.29% during the same period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #52,289 | #58,876 | -12.6% |
| Count | 373 | 344 | -7.77% |
| Proportion per 100k | 0.14 | 0.12 | -14.29% |
Race and Ethnicity of people with the last name Diffin
Shifting focus to ethnicity, the Decennial U.S. Census data reveals that most of the people with the Diffin surname predominantly identify as White. This group, however, saw a slight decrease of 3.72% from 95.71% in 2000 to 92.15% in 2010. On the other hand, those identifying as Hispanic saw a significant increase of 225.37%, moving from 1.34% in 2000 to 4.36% in 2010. A smaller percentage began identifying as belonging to two or more races in 2010, whereas no change was observed in the categories of Asian/Pacific Islander, Black, and American Indian and Alaskan Native.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.71% | 92.15% | -3.72% |
| Hispanic | 1.34% | 4.36% | 225.37% |
| Two or More Races | 0% | 1.45% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |