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 1797 - 1876 (79 years)
Generation: 1
| 1. | Dr David Nelson Mahon was born in 1797 in Pittsburgh, Allegheny, Pennsylvania, USA; died on 29 Aug 1876 in Carlisle, Cumberland, Pennsylvania, USA; was buried in 1876 in Carlisle, Cumberland, Pennsylvania, USA. David married Julia Maria Montgomery on 23 Apr 1851 in District of Columbia, USA. Julia (daughter of Rear-Admiral John Berrien Montgomery and Mary Henry) was born on 9 Nov 1821 in New Jersey, USA. [Group Sheet] [Family Chart]
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