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Mary Butler was born on an unknown date to Thomas Butler, Viscount Thurles (1594-1619) and Elizabeth Poyntz (1587-1673) and died August 1680 of unspecified causes. She married George Hamilton, 1st Baronet Hamilton of Donalong (c1607-1679) .
Children
| Name | Birth | Death | Joined with |
| James Hamilton (c1620-1673) | 1620 | 6 June 1673 | Elizabeth Colepeper (c1637-1709) |
| George Hamilton, Comte de Hamilton (c1621-1676) | |||
| Elizabeth Hamilton (c1641-1708) | |||
| Antoine Hamilton, Comte de Hamilton (1646-1720) | |||
| Thomas Hamilton (aft1645-) | |||
| Richard Hamilton (-1717) | |||
| John Hamilton, Comte de Hamilton (-1691) | |||
| Lucia Hamilton (-1676) | |||
| Margaret Hamilton (aft1649-c1733) | |||
Footnotes (including sources)
| ‡ General |
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