| Source: Missouri Republican death index, January 1, 1870-July 13, 1871 and January 1, 1880-July 2, 1881. Location: Microfilm | |
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| Last Name: | Clarkson |
| First Name: | Mary |
| Middle Name: | S. |
| Title: | Mrs. |
| Location of Death: | St. Louis County, MO |
| Citations: | 4-20-1871, 2:5 (D) |
