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Source
- Original Source:US Census for 1800, Pennsylvania
- Intermeidate Source:Ancestry, Cowan, Pennsylvania exact search
Data
Name | Variant | Community | County | Slaves | Total | WeRelate
| Henry Cowan | | Fayette, | Allegheny | | 10 |
| Joseph Cowan | | Plum, | Allegheny | | 6 |
| Robert Cowan | | Plum, | Allegheny | | 6 |
| Thomas Cowan | | St Clair, | Allegheny | | 8 |
| William Cowan | | Buffalo, | Armstrong | | 1 |
| John Cowan | | Buffalo, | Armstrong | | 9 |
| Edward Carran | [Edward Cowan] | Hopewell and Woodberry, | Bedford | | 11 |
| Samuel Cowan | | Dublin and Air, | Bedford | | 8 |
| Edward Cowan | | Sadsbury, | Chester | | 5 |
| Robt Cowan | | Frankford, | Cumberland | | 7 |
| Wm Cowan | | Shippensburg, | Cumberland | | 9 |
| Wm Cowan Jr | | Shippensburg, | Cumberland | | 5
| William Cowan | | Salisbury, | Lancaster | | 9 |
| Catharine Cowan | | Fawn, | York | | 8 |
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