| Birth | December 13, 1747 23 24 |
| Marriage | Deborah Dyer — View this family yes |
| Death of a paternal grandfather | Joseph Mann about 1747 |
| Marriage of a parent | Lt. Seth Mann — Elizabeth “Betty” Dyer — View this family October 18, 1750 (Age 2 years) |
| Death of a mother | Rachel Spear between 1747 and 1751 |
| Birth of a half-brother | Ephrain Mann September 9, 1753 (Age 5 years) |
| Birth of a half-brother | Benjamin Mann September 9, 1753 (Age 5 years) |
| Birth of a half-brother | Samuel Mann October 5, 1760 (Age 12 years) |
| Birth of a half-sister | Anna Mann 1764 (Age 16 years) |
| Birth of a half-brother | Stephen Mann 1766 (Age 18 years) |
| Marriage of a parent | Lt. Seth Mann — Deborah Littlefield — View this family about 1767 (Age 19 years) |
| Death of a maternal grandfather | Deering Spear November 12, 1767 (Age 19 years) |
| Birth of a half-brother | Job Mann July 23, 1769 (Age 21 years) |
| Birth of a daughter #1 | Tryphena Mann about 1787 (Age 39 years) |
| Death of a father | Lt. Seth Mann January 28, 1815 (Age 67 years) Note: Grave says 91 so he may have been born in 1723.
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| Death | about 1822 (Age 74 years) |