Mary Helen, Kentucky | |
|---|---|
  Mary Helen  Mary Helen | |
| Coordinates: 36°48′46″N 83°15′18″W / 36.81278°N 83.25500°W | |
| Country | United States |
| State | Kentucky |
| County | Harlan |
| Elevation | 1,358 ft (414 m) |
| Time zone | UTC-6 (Central (CST)) |
| • Summer (DST) | UTC-5 (CST) |
| ZIP code | 40818[1] |
| GNIS feature ID | 497642[2] |
Mary Helen (also known as Coalgood[3]) is an unincorporated community in Harlan County, Kentucky, United States.
