| Source: Men Who Make St. Louis the City of Opportunity (St. Louis: W.P. Tracy, [1927]) Location: Reading Room / St.L. / 920 / T67 | |
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| Last Name: | Orr |
| First Name: | Isaac |
| Middle Name: | H. |
| Photograph: | Yes |
| Address: | 57 Kingsbury Place |
| Birth Date: | 1862 February 14 |
| Page: | 182-183, 254-256 |
