Explore the Family Name Gallahan
The meaning of Gallahan
Irish: probably a variant of Galligan.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Gallahan in the United States?
The surname Gallahan, based on data from the Decennial U.S. Census, saw a decline in popularity between 2000 and 2010. In 2000, it was ranked 33,830th most popular, but this rank fell to 40,800 by 2010, representing a decrease of 20.6%. Similarly, the count of individuals with the Gallahan surname dropped from 635 in 2000 to 535 in 2010, marking a reduction of 15.75%. The proportion of Gallahans per 100,000 people also declined by 25% during this decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #33,830 | #40,800 | -20.6% |
| Count | 635 | 535 | -15.75% |
| Proportion per 100k | 0.24 | 0.18 | -25% |
Race and Ethnicity of people with the last name Gallahan
When assessing the ethnic identity associated with the Gallahan surname, as per the Decennial U.S. Census, an increase was noted among those identifying as white, rising from 92.13% to 93.27% between 2000 and 2010. Meanwhile, there was also a 13.58% increase in those identifying as Hispanic. However, the proportion of Gallahans identifying as two or more races decreased by 40.48% during this period. There were no recorded individuals identifying as Asian/Pacific Islander or American Indian and Alaskan Native in either census year. Notably, the percentage of Gallahans identifying as Black decreased to zero by 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 92.13% | 93.27% | 1.24% |
| Hispanic | 3.46% | 3.93% | 13.58% |
| Two or More Races | 2.52% | 1.5% | -40.48% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 1.1% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |