American Surnames
Ethnic distribution of MCGAHEY in the USA
| Classification | Total | Percent |
| White (Hispanic) | 33 | 2.55 |
| Mixed Race | 23 | 1.78 |
| Native American/Alaskan | 19 | 1.47 |
| Black/African American | 14 | 1.08 |
| Asian/Pacific | 12 | 0.93 |
| White (Caucasian) | 1,193 | 92.19 |
Ethnic distribution data shows the number and percentage of people with the MCGAHEY surname who reported their ethnic background as being in these broad categories in the most recent national census.
