| Name: | Johnston, Mercer G. (P22256) | ||||
| Alternative names: | |||||
| Birth: | |||||
| Death: | |||||
| Home: | San Antonio, Texas (PL4511) | ||||
| Corporate bodies: | |||||
| Name | Role | Start Year | End Year | ||
| University of Virginia | student | 1891 | 1892 | ||
| University of Virginia | student | 1892 | 1893 | ||
| Places: | |||||
| Display Name | Role | Type | Start Year | End Year | |
| San Antonio, Texas (PL4511) | home | ||||