| Name | Mary U. Johnson | |
| Born | Abt 1839 | |
| Gender | Female | |
| Census | 1900 | Plymouth, CT, US |
| Person ID | I2470 | Smithwick Family Tree |
| Last Modified | 2 Sep 2017 | |
| Family | Jason Cornelius Fenn, b. 27 Oct 1838, Plymouth, CT, US | |
| Last Modified | 2 Sep 2017 | |
| Family ID | F859 | Group Sheet | Family Chart |