St. Mary's Catholic Cathedral | |
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| Location | 2107 Capitol Avenue Cheyenne, Wyoming |
|---|---|
| Coordinates | 41°8′15″N 104°49′3″W / 41.13750°N 104.81750°W |
| Built | 1906-1909 |
| Built by | Moses Patrick Keefe |
| Architect | Fisher and Lowery |
| Architectural style | Gothic Revival |
| NRHP reference No. | 74002026 [1] |
| Added to NRHP | November 20, 1974 |
St. Mary's Cathedral is the cathedral and parish church in the Diocese of Cheyenne located in Cheyenne, Wyoming, United States. It was listed on the National Register of Historic Places in 1974.