Explore the Family Name Mcgaffigan
The meaning of Mcgaffigan
Irish: Anglicized form of Gaelic Mag Eachagáin ‘son of Eachagán’, a diminutive of the personal name Eachadh. See also Gavigan.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Mcgaffigan in the United States?
The surname Mcgaffigan, based on the Decennial U.S. Census data, saw a slight increase in popularity between 2000 and 2010. In the year 2000, it ranked 64,934 in the United States, but by 2010, its rank had risen to 64,388. This represents a change of 0.84 percent. The total count of individuals bearing this name also increased during this same period from 286 to 309, reflecting an 8.04 percent increase. However, when adjusted for population growth, the proportion of individuals per 100k with this surname slightly decreased by 9.09 percent.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #64,934 | #64,388 | 0.84% |
| Count | 286 | 309 | 8.04% |
| Proportion per 100k | 0.11 | 0.1 | -9.09% |
Race and Ethnicity of people with the last name Mcgaffigan
On the ethnicity front, the Mcgaffigan surname is predominantly associated with the White demographic as per the Decennial U.S. Census data. In 2000, 96.85 percent of the individuals with this surname were White, and despite a small decrease of 0.75 percent, it remained so in 2010 with 96.12 percent. There was also a small representation of this surname within the demographic of those identifying as two or more races, which stood at 2.10 percent in 2000 but decreased by 22.86 percent to 1.62 percent in 2010. The surname had no recorded presence in the Asian/Pacific Islander, Hispanic, Black, American Indian, and Alaskan Native demographics in either census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.85% | 96.12% | -0.75% |
| Two or More Races | 2.1% | 1.62% | -22.86% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |