Explore the Family Name Moynahan
The meaning of Moynahan
Irish: variant of Moynihan. Some characteristic forenames: Irish Brendan, Brigid.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Moynahan in the United States?
Based on the Decennial U.S. Census data, the surname Moynahan has slightly decreased in popularity between 2000 and 2010. In 2000, it ranked as the 33,292nd most popular name with a count of 647 individuals bearing this name, equivalent to 0.24 people per 100k. However, by 2010, it had slipped to rank 35,489 with only 634 individuals, or 0.21 per 100k, marking a decrease of 2.01% in those carrying the surname and representing a drop of 6.6 places in rank.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #33,292 | #35,489 | -6.6% |
| Count | 647 | 634 | -2.01% |
| Proportion per 100k | 0.24 | 0.21 | -12.5% |
Race and Ethnicity of people with the last name Moynahan
In terms of ethnicity, the Decennial U.S. Census reveals that the vast majority of individuals with the surname Moynahan identify as White, though there was a slight decrease from 97.53% in 2000 to 95.90% in 2010. The data shows a significant increase, however, in those who identified as belonging to two or more races, with the percentage rising from 0.93% to 1.89%, suggesting an increased diversity within this surname group. A small proportion of Moynahans identify as Hispanic, with a tiny increase from 1.08% in 2000 to 1.10% in 2010. No Moynahans were reported as being of Asian/Pacific Islander, Black, or American Indian and Alaskan Native ethnic identities during either census period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.53% | 95.9% | -1.67% |
| Two or More Races | 0.93% | 1.89% | 103.23% |
| Hispanic | 1.08% | 1.1% | 1.85% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |