Margaret Carnegie Miller
Margaret Carnegie Miller (March 30, 1897 – April 11, 1990) was the only child of industrialist and philanthropist Andrew Carnegie and heiress to the Carnegie fortune.
Personal facts
| Birth date | March 30, 1897 |
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| Birth name | Margaret Carnegie |
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| Date of death | April 11, 1990 |
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| Parents | Louise Whitfield Carnegie |
| Spouse | Roswell Miller |