Nielsen Hayden genealogy
Descendants of Mercy Clark
1714 -
Mercy Clark
(26 Dec 1714 - ??)
Jonathan Longfellow (23 May 1714 - ??)(m. 28 Oct 1731)
   └─ Sarah Longfellow (17 Nov 1739 Hampton Falls, Rockingham, New Hampshire -
    23 May 1811 Nottingham, Rockingham, New Hampshire)
    23 May 1811 Nottingham, Rockingham, New Hampshire)
    Gen. Joseph Cilley (Nottingham, Rockingham, New Hampshire;1734 - 25 Aug 1799)
    (m. 4 Nov 1756 Nottingham, Rockingham, New Hampshire)
    (m. 4 Nov 1756 Nottingham, Rockingham, New Hampshire)
       └─ Maj. Greenleaf Cilley (Nottingham, Rockingham, New Hampshire;1 Mar 1767 - 24 Feb 1808)
        Jennie Nealley (Nottingham, Rockingham, New Hampshire;22 Sep 1772 - 26 Mar 1866)
        (m. 22 May 1788 Nottingham, Rockingham, New Hampshire)
        (m. 22 May 1788 Nottingham, Rockingham, New Hampshire)
           ├─ Col. Jonathan Cilley, Senator from New Hampshire (Nottingham, Rockingham, New Hampshire;
           │ 4 Jan 1791 - 16 Sep 1887)
           │ 4 Jan 1791 - 16 Sep 1887)
           └─ Jonathan Longfellow Cilley, U.S. Representative from Maine (2 Jul 1802 Nottingham, Rockingham,
            New Hampshire - 24 Feb 1838 Bladensburg, Prince George's, Maryland) =>
            New Hampshire - 24 Feb 1838 Bladensburg, Prince George's, Maryland) =>
            + Deborah Prince (6 Jul 1808 - 14 Aug 1844 bur.Thomaston, Knox, Maine)(m. 4 Apr 1829)