| Source: List of Union Veterans Buried in and about St. Louis / compiled by the Sons of Veterans, General Memorial Day Committee (St. Louis: 1905) Location: St.L. / 369.165 / S57 | |
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| Last Name: | Thompson |
| First Name: | Seymour |
| Middle Name: | D. |
| Rank: | Captain |
| Regiment: | 3rd R.U.S.C.H.A. |
| Death Date: | 1904 August 11 |
| Page: | 3 |
