| Key | Value |
| contact:website | https://healthcare.ascension.org/Sites-of-Care/Ascension-Wisconsin |
| emergency | yes |
| healthcare | hospital |
| name:1858 | Saint Mary's Hospital |
| name:1995 | Columbia Saint Mary's Hospital |
| name:2010 | Columbia St. Mary’s Milwaukee Campus |
| name:2016 | Ascension Columbia Saint Mary's Milwaukee Campus |
| name:historic | Saint Mary's Hospital |
| operator | Ascension |
| operator:wikidata | Q96372437 |
| operator:wikipedia | en:Ascension (healthcare system) |
| owner | Ascension |
| source | https://web.archive.org/web/20141119212027/http://www.columbia-stmarys.org/doc/Page.asp?PageID=DOC100522 |
| start_date | 1858 |
| website | http://www.columbia-stmarys.org/Columbia_St_Marys |
| wikidata | Q30265227 |