Explore the Family Name Monohan
The meaning of Monohan
Irish: variant of Monahan. This form of the surname is rare in Britain.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Monohan in the United States?
According to the data from the Decennial U.S. Census, the popularity of the surname Monohan has slightly decreased over a decade. In 2000, it ranked 68,973 in terms of prevalence, whereas in 2010, it had dropped to a rank of 83,541, indicating a decline of 21.12%. Similarly, the count of people with this surname fell from 266 to 225, marking a change of -15.41%. Consequently, the proportion per 100k also reduced from 0.1 in 2000 to 0.08 in 2010, showing a decrease by 20%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #68,973 | #83,541 | -21.12% |
| Count | 266 | 225 | -15.41% |
| Proportion per 100k | 0.1 | 0.08 | -20% |
Race and Ethnicity of people with the last name Monohan
The ethnic identity associated with the surname Monohan is predominantly White, as indicated by the Decennial U.S. Census data. The percentage of people identifying as White rose slightly from 95.11% in 2000 to 95.56% in 2010, a minor increment of 0.47%. Hispanic representation within the Monohan demographic also saw an increase during this period, rising from 2.26% in 2000 to 3.11% in 2010, a growth of 37.61%. There were no recorded changes in the Asian/Pacific Islander, Black, and American Indian and Alaskan Native categories for this surname.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.11% | 95.56% | 0.47% |
| Hispanic | 2.26% | 3.11% | 37.61% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |