Mary Catherine Hellen
| Name | Mary Catherine Hellen |
| Title | (died 1870) |
| Gender | Female |
| Birthday | 1806-00-00 |
| nationality | — |
| Source | https://www.wikidata.org/wiki/Q75766873 |
| pptrace | View Family Tree |
| LastUpdate | 2025-11-16T10:01:16.791Z |
Introduction
Mary Catherine Hellen was the wife of John Adams II, the son of U.S. President John Quincy Adams. John Quincy Adams served as president of the United States from 1825 to 1829. Mary Catherine Hellen died in 1870.
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