Children |
| 1. Capt. John Willoughby, b. 24 Dec 1735, Billerica, Middlesex, Massachusetts Bay Colony, British Colonial America d. 22 Jun 1834, Plymouth, Grafton, New Hampshire, United States (Age 98 years) |
| 2. Jonas Willoughby, b. 31 Mar 1737, Billerica, Middlesex, Massachusetts Bay, British Colonial America bur. 1791 (Age ~ 53 years) |
| 3. Joseph Willoughby, b. 17 Feb 1739, Billerica, Middlesex, Massachusetts Bay Colony, British Colonial America d. 13 Jul 1810, Monkton, Addison, Vermont, United States (Age 71 years) |
| 4. Anna Willoughby, b. 30 May 1741, Billerica, Middlesex, Massachusetts Bay Colony, British Colonial America d. 1 Jun 1774, Hollis, Hillsboro, N. H. (Age 33 years) |
| 5. Mary Willoughby, b. 26 Feb 1742, Billerica, Middlesex, Massachusetts, United States d. Yes, date unknown (Age > 37 years) |
| 6. Susannah Willoughby, b. 26 May 1744, Billerica, Middlesex, Massachusetts, United States d. 1828, Dunstable, Middlesex, Massachusetts, United States (Age 83 years) |
| 7. Samuel Willoughby, b. 13 Feb 1745, West Dunstable, Hillsborogh, New Hampshire, United States d. 26 Oct 1832, Hollis, Hillsborough, New Hampshire, United States (Age 87 years) |
| 8. Mehitable Willoughby, b. 3 Aug 1747, Billerica, Middlesex, Massachusetts, United States d. 11 Apr 1833, Williston, Chittenden County, Vermont (Age 85 years) |
| 9. Rebecca Willoughby, b. 13 Feb 1749, Hollis, Hillsborough, New Hampshire, British Colonial America d. Nov 1837, Hanover Center, Chautauqua, New York, United States (Age 88 years) |
| 10. William Willoughby, b. 2 Sep 1751, Billerica, Middlesex, Massachusetts, United States d. Nov 1773, Massachusetts, United States (Age 22 years) |
| 11. Elizabeth Willoughby, b. 3 Apr 1753, Hollis, Hillsborough, New Hampshire, United States d. Apr 1753, Hollis, Hillsborough, New Hampshire, United States (Age 0 years) |
| 12. Josiah Willoughby, b. 30 Jul 1755, Billerica, Middlesex, Massachusetts, United States d. 1757, Billerica, Middlesex, Massachusetts, United States (Age 1 year) |
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