| Source: Memorial book of the Concord Farmers Club, 1877-1958 (photocopy) Location: Oversize / MO / 920 / C744c | |
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| Last Name: | Hackmann |
| First Name: | Mary |
| Maiden Name: | Lohaus |
| Remarks: | Mentioned in a memorial sketch |
| Death Year: | 1924 |
| Volume: | 1 |
| Page: | 167 |
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