| Source: Official Register of Missouri Troops for 1862 (St. Louis: Adjutant General’s Office, 1863) Location: MO / 9.7 / M69 | |
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| Last Name: | Callaghan |
| First Name: | Patrick |
| Rank: | 1st Lieut. |
| Regiment: | unattached company, Iron Mountain Railroad, Enrolled Missouri Militia |
| Page: | 182 |
