1603 - 1651 (47 years)
| John Underwood | |
| B: | 1850 |
| D: | 1853 |
| Elizabeth Adele Underwood | |
| B: | 1854 |
| D: | Yes, date unknown |
| William Woodhull Underwood | |
| B: | 16 Jan 1856 |
| Freeport, Nassau, New York, United States | |
| D: | 16 Jan 1930 |
| Patchogue, Suffolk, New York, United States | |
| Josephine Mary Finn | |
| B: | 25 Nov 1866 |
| Wexford, County Wexford, Ireland | |
| M: | 8–1886 |
| D: | 30 Sep 1943 |
| Frank Underwood | |
| B: | 1858 |
| New York | |
| D: | Yes, date unknown |
| Susan Underwood | |
| B: | Abt 1858 |
| Groton, Tompkins, New York, United States | |
| D: | 9 Nov 1932 |
| Bridgeport, Fairfield, Connecticut, United States | |
| Josiah Underwood | |
| B: | 1867 |
| Port Jefferson, Suffolk, New York, United States | |
| D: | 17 May 1879 |
| Patchogue, Suffolk, New York, United States | |
| John Underwood | |
| B: | 31 Aug 1869 |
| Port Jefferson, Suffolk, New York, United States | |
| D: | 11 Dec 1869 |
| Patchogue, Suffolk, New York, United States | |
| Bertha Underwood | |
| B: | Aug 1877 |
| New York | |
| D: | 2 Feb 1914 |
| John Wesley Underwood | |
| B: | 26 Jan 1818 |
| Groton, Tompkins, New York, United States | |
| D: | 8 Apr 1873 |
| Brookhaven (Patchogue), Suffolk, New York, United States | |
| Amelia Huff | |
| B: | 13 Feb 1828 |
| Newburgh, Orange, New York, United States | |
| M: | Abt 1840 |
| Village of Groton, Tompkins County, New York | |
| D: | 3 Jan 1892 |
| Norwalk, Fairfield, Connecticut, United States | |
| Stanley Underwood | |
| B: | 1843 |
| Groton, Tompkins, New York, United States | |
| D: | 19 Jun 1861 |
| Manhattan, New York City, New York | |
| John W Underwood | |
| B: | 27 Feb 1846 |
| McLean, Tompkins, New York, United States | |
| D: | 15 Sep 1846 |
| McLean, Tompkins, New York, United States | |
| Eliza Jane Smith | |
| B: | 18 Dec 1818 |
| M: | Abt 1840 |
| Village of Groton, Tompkins County, New York | |
| D: | 4 Mar 1846 |
| Town of Groton, Tompkins County, New York | |
| William Underwood | |
| B: | 19 Dec 1789 |
| Kingston, Luzerne, Pennsylvania, USA | |
| D: | 17 Aug 1865 |
| Groton, Tompkins, New York, USA | |
| Ruth Goodwin | |
| B: | 23 Apr 1794 |
| Tompkins, New York, USA | |
| M: | Abt 1810 |
| Tompkins Co, New York, United States | |
| D: | 22 Apr 1888 |
| Groton, Tompkins, New York, USA | |
| Israel Underwood | |
| B: | 4 Apr 1746 |
| Plainfield, Windham, Connecticut | |
| D: | 15 Jun 1817 |
| Lansing, Tompkins, New York, USA | |
| Doritha Benjamin | |
| B: | 22 Apr 1752 |
| Canterbury, Windham, Connecticut Colony, British Colonial America | |
| D: | 1840 |
| , Tompkins, New York, USA | |
| Ruth Bassett | |
| B: | 22 Jun 1715 |
| East Greenwich, Kent, Rhode Island, British Colonial America | |
| D: | Pomfret, Windham, Connecticut Colony, British Colonial America |
| Israel Underwood | |
| B: | 1720 |
| Plainfield, Windham, Connecticut Colony, British Colonial America | |
| D: | 13 Jun 1788 |
| Pomfret, Windham, Connecticut Colony, British Colonial America | |
| Samuel Bassett | |
| B: | 1670 |
| Yarmouth, Barnstable, Massachusetts Bay, British Colonial America | |
| D: | Feb 1760 |
| East Greenwich, Kent, Rhode Island, British Colonial America | |
| Elizabeth Jones | |
| B: | CA 1680 |
| East Greenwich, Kent, Rhode Island, United States | |
| M: | 1699 |
| D: | 17 Jan 1741 |
| Newport, Rhode Island, British Colonial America | |
| Daniel Jarvis Collins | |
| B: | 8 May 1833 |
| Islip, Suffolk, New York, United States | |
| D: | 25 Dec 1910 |
| Sayville, Suffolk, New York, United States | |
| Martha Jane Rhodes | |
| B: | 18 Jul 1838 |
| New York, United States | |
| M: | 1856 |
| D: | 5 Jan 1900 |
| Sayville, Suffolk, New York, United States | |
| Thomas Collins | |
| B: | 30 Nov 1834 |
| Ohio, USA | |
| D: | 11 Aug 1900 |
| Bay Shore, Suffolk, New York, USA | |
| James Hervey Collins | |
| B: | 1 Mar 1790 |
| Wellfleet, Barnstable, Massachusetts, United States | |
| D: | Abt 1837 |
| Sayville, Suffolk, New York, United States | |
| Sabrina Jarvis | |
| B: | 1791 |
| Islip, Suffolk County, New York, USA | |
| D: | 6 Apr 1843 |
| Sayville, Suffolk, New York, United States | |
| Elisabeth Atkins | |
| B: | 28 Oct 1756 |
| Truro, Barnstable, Massachusetts, United States | |
| D: | 5 Jun 1833 |
| Eastham, Barnstable, Massachusetts, United States | |
| Captain Michael Collins | |
| B: | 6 Feb 1755 |
| Truro, Barnstable, Massachusetts, United States | |
| M: | 21 Aug 1784 |
| Truro, Barnstable, Massachusetts, United States | |
| D: | 23 Jun 1828 |
| Eastham, Barnstable, Massachusetts, United States | |
| Jemima Mayo | |
| B: | 18 Feb 1730 |
| Eastham, Barnstable, Massachusetts, United States | |
| D: | 7 Oct 1757 |
| Truro, Barnstable, Massachusetts, United States | |
| Joseph Atkins | |
| B: | 27 Apr 1727 |
| Truro, Barnstable, Massachusetts, United States | |
| M: | 19 Aug 1749 |
| Eastham, Barnstable, Massachusetts, United States | |
| D: | 18 Aug 1798 |
| Truro, Barnstable, Massachusetts, United States | |
| Elizabeth Mulford | |
| B: | 30 Jun 1701 |
| Eastham, Barnstable, Massachusetts, United States | |
| D: | 14 Jun 1761 |
| Wellfleet, Barnstable, Massachusetts, United States | |
| Jeremiah Mayo | |
| B: | Abt 1705 |
| of Eastham, Barnstable, Massachusetts, United States | |
| M: | 21 May 1725 |
| Eastham, Barnstable, Massachusetts, United States | |
| D: | 9 Nov 1765 |
| Wellfleet, Barnstable, Massachusetts, United States | |
| Mary Bassett | |
| B: | 1666 |
| Yarmouth, Barnstable, Massachusetts Bay, British Colonial America | |
| D: | 29 Jan 1741 |
| Truro, Barnstable, Massachusetts, United States | |
| Thomas Mulford | |
| B: | 1665 |
| Hingham, Suffolk, Massachusetts Bay Colony, British Colonial America | |
| M: | 28 Oct 1690 |
| Eastham, Barnstable, Plymouth Colony, British Colonial America | |
| D: | 14 Sep 1747 |
| Truro, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| Susannah Roberts | |
| B: | 11 Oct 1807 |
| Roberts Island, Yarmouth, Nova Scotia, Canada | |
| D: | 24 May 1888 |
| Freeport, Digby, Nova Scotia, Canada | |
| John Nelson Campbell | |
| B: | 3 Oct 1801 |
| Argyle, Yarmouth, Nova Scotia, Canada | |
| M: | 1834 |
| Freeport, Digby, Nova Scotia, Canada | |
| D: | 1888 |
| Freeport, Digby, Nova Scotia, Canada | |
| Mary or Molly Atwood | |
| B: | 4 Aug 1777 |
| Barrington, Shelburne, Nova Scotia, Canada | |
| D: | Barrington NS |
| Benjamin Roberts | |
| B: | 3 Dec 1776 |
| Argyle, Yarmouth, Nova Scotia, Canada | |
| M: | 26 Nov 1798 |
| Argyle, Yarmouth, Nova Scotia, Canada | |
| D: | Yes, date unknown |
| Susanna Smith | |
| B: | 1753 |
| Chatham, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| D: | 1838 |
| Barrington, Barrington, Shelburne, Nova Scotia, Canada | |
| Joseph Atwood | |
| B: | 26 Aug 1748 |
| Chatham, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| M: | 10 Aug 1767 |
| Barrington, Shelburne County, Nova Scotia, Canada | |
| D: | 28 Sep 1833 |
| Shelburne, Nova Scotia, British North America | |
| Elizabeth Nickerson | |
| B: | 15 May 1735 |
| Chatham, Barnstable, Massachusetts Bay, British Colonial America | |
| D: | 24 Apr 1827 |
| Nova Scotia, British Colonial America | |
| Archelaus Smith | |
| B: | 23 Apr 1734 |
| Chatham, Barnstable, Massachusetts Bay, British Colonial America | |
| M: | 16 Jul 1752 |
| Chatham, Barnstable, Massachusetts, United States | |
| D: | 7 Sep 1819 |
| Nova Scotia, British Colonial America | |
| Sarah Covell | |
| B: | 15 May 1701 |
| Chatham, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| D: | 22 Nov 1790 |
| Chatham, Barnstable, Massachusetts, United States | |
| William Nickerson | |
| B: | 15 May 1701 |
| Chatham, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| M: | 1723 |
| Chatham, Barnstable, MA | |
| D: | 1 Feb 1763 |
| Chatham, Barnstable, Massachusetts Bay, British Colonial America | |
| Hannah Bassett | |
| B: | 1678 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| D: | 8 Aug 1758 |
| Eastham, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| Joseph Covel | |
| B: | 1675 |
| Chatham, Barnstable, Massachusetts Bay Colony, British America | |
| M: | 1 Mar 1704 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British America | |
| D: | Abt 1732 |
| Eastham, Barnstable, Massachusetts Bay Colony, British America | |
| Nathaniel Bassett | |
| B: | Abt 1628 |
| Plymouth Colony, British Colonial America | |
| D: | 16 Jan 1710/1 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| Dorcas Joyce | |
| B: | Abt 1640 |
| Yarmouth, Plymouth Colony, British Colonial America | |
| M: | Bef 1666 |
| Yarmouth, Massachusetts Bay Colony, British Colonial America | |
| D: | 10 Jun 1707 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| Hannah Ryder | |
| B: | 1630 |
| Massachusetts Bay Colony, British Colonial America | |
| D: | 12 Nov 1709 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| Elizabeth Bassett() | |
| B: | May 1603 |
| Tenterden, Kent, England | |
| D: | 3 Apr 1651 |
| Plymouth Colony, British Colonial America | |
| William Bassett | |
| B: | Bef 24 Oct 1600 |
| Tower Division, London, England | |
| M: | Abt 1623 |
| Plymouth Colony, British Colonial America | |
| D: | 4 Apr 1667 |
| Bridgewater, Plymouth, Massachusetts, United States | |
