| Name | Birth date | Birth location | Death date | Death location | Spouse | Marriage date | Marriage location |
| CLARK, Clement | Abt. 1820 | Ohio | WFT Est. 1821-1910 | | | | |
| CLARK, Cornelia | 1802 | Mount Holly, Rutland, Vermont | WFT Est. 1803-1896 | | | | |
| CLARK, Daniel | WFT Est. 1622-1642 | | WFT Est. 1656-1728 | | PITKIN, Martha | WFT Est. 1653-1685 | |
| CLARK, Daniel | March 6, 1674/75 | New Haven, New Haven, Connecticut | WFT Est. 1676-1765 | | | | |
| CLARK, Daniel | February 7, 1711/12 | Wallingford, New Haven, Connecticut | August 17, 1774 | | MILES, Elizabeth | September 17, 1741 | |
| CLARK, Daniel | June 8, 1715 | New Haven, New Haven, Connecticut | 1804 | New Haven, New Haven, Connecticut | BRADLEY, Phebe | May 14, 1740 | New Haven, New Haven, Connecticut |
| CLARK, Daniel | August 26, 1748 | New Haven, New Haven, Connecticut | WFT Est. 1749-1838 | | | | |
| CLARK, Daphne | 1806 | Mount Holly, Rutland, Vermont | WFT Est. 1823-1900 | | HOLCOM, Nathan Davis | 1819 | |
| CLARK, David Dudley | WFT Est. 1847-1876 | | WFT Est. 1901-1961 | | CLARK, Catherine Amy | WFT Est. 1888-1917 | |
| CLARK, Dr. Miles | October 2, 1780 | Wallingford, Rutland, Vermont | 1827 | New Portage, Portage, Ohio | CLARK, Lucy | January 8, 1801 | Mount Holly, Rutland, Vermont |
| CLARK, Ebenezer | November 29, 1651 | New Haven, New Haven, CT | April 30, 1721 | New Haven, New Haven, CT | PARKER, Elizabeth | December 22, 1696 | Wallingford, New Haven, CT |
| CLARK, Edmund | October 11, 1750 | New Haven, New Haven, Connecticut | WFT Est. 1751-1840 | | | | |
| CLARK, Eliza Aldula | January 26, 1806 | Mt. Holly, Rutland, Vermont | November 24, 1865 | Provo, Utah, Utah | ROBERTS, Daniel | May 15, 1822 | Norton, Medina, OH |
| CLARK, Elizabeth | Abt. 1575 | Baldock, Hertford, England | Aft. 1662 | Saybrook, Middlesex, CT | PRATT, William | 1604 | Hertford, England |
| CLARK, Elizabeth | WFT Est. 1689-1710 | | WFT Est. 1732-1799 | | COOLEY, William | April 11, 1727 | Enfield, Hartford, CT |
| CLARK, Elizabeth | September 24, 1697 | Wallingford, New Haven, CT | WFT Est. 1743-1792 | | COOK, Israel | May 15, 1717 | Cheshire, New Haven, CT |
| CLARK, Elizabeth E | May 10, 1906 | Philadelphia Pennslyvania | September 1, 1989 | Philadelphia Pennslyvania | BOYD, Paul Emerson | Private | |
| CLARK, Elizah | Abt. 1758 | Wallingford, Rutland, Vermont | WFT Est. 1759-1848 | | | | |
| CLARK, Elyphalet | December 28, 1698 | Wallingford, New Haven, Connecticut | WFT Est. 1699-1788 | | | | |
| CLARK, Esther | March 17, 1711/12 | New Haven, New Haven, Connecticut | WFT Est. 1740-1806 | | Spencer | WFT Est. 1740-1774 | |
| CLARK, Eunice | WFT Est. 1683-1705 | | WFT Est. 1727-1794 | | ROBERTS, Samuel | May 3, 1722 | |
| CLARK, Eunice | February 12, 1742/43 | New Haven, New Haven, Connecticut | WFT Est. 1744-1837 | | | | |
| CLARK, Experience | March 30, 1643 | Dorchester, Suffolk, MA | 1662 | Northampton, Hampshire, Massachusetts | | | |
| CLARK, Fanny | Abt. 1786 | Wallingford, New Haven, Connecticut | WFT Est. 1787-1880 | | | | |
| CLARK, Fanny | 1804 | Mount Holly, Rutland, Vermont | WFT Est. 1805-1898 | | | | |
| CLARK, Goodyear | Abt. 1762 | Wallingford, Rutland, Vermont | WFT Est. 1763-1852 | | | | |
| CLARK, Hannah | April 6, 1685 | New Haven, New Haven, Connecticut | WFT Est. 1714-1779 | | TODD, Jonah | April 20, 1709 | |
| CLARK, Harriet Newell | March 10, 1814 | Ohio | December 25, 1907 | | KELLOG, Ozro Northrop | WFT Est. 1842-1876 | |
| CLARK, Harriett | WFT Est. 1860-1871 | | WFT Est. 1864-1961 | | | | |
| CLARK, Hester | January 2, 1692/93 | New Haven, New Haven, Connecticut | 1747 | | MUNSON, John | January 28, 1711/12 | |
| CLARK, Homer | Abt. 1794 | Mount Holly, Rutland, Vermont | WFT Est. 1795-1884 | | | | |
| CLARK, Ichabod Goodyear | 1754 | Wallingford, Rutland, Vermont | September 10, 1847 | | | | |
| CLARK, Increase | March 1, 1645/46 | Dorchester, Suffolk, Mass. | April 24, 1661 | Northampton, Hampshire, Massachusetts | | | |
| CLARK, Iretta | WFT Est. 1860-1871 | | WFT Est. 1864-1961 | | | | |
| CLARK, James | Abt. 1620 | of New Haven, New Haven, Connecticut | WFT Est. 1657-1711 | | HARVEY, Sarah | WFT Est. 1651-1660 | |
| CLARK, James | Abt. 1640 | of New Haven, New Haven, Connecticut | February 29, 1711/12 | | PEACOCK, Deborah | Abt. 1662 | |
| CLARK, James | September 29, 1713 | Wallingford, New Haven, Connecticut | WFT Est. 1714-1803 | | | | |
| CLARK, Jemima | WFT Est. 1672-1694 | | WFT Est. 1715-1783 | | COOLEY, Daniel | November 7, 1710 | Enfield, CT |
| CLARK, Joane | WFT Est. 1582-1605 | | WFT Est. 1627-1693 | | STONE, Simon | WFT Est. 1614-1646 | |
| CLARK, Job | July 24, 1723 | New Haven, New Haven, Connecticut | WFT Est. 1765-1814 | | GOODYEAR, Esther | September 15, 1746 | |
| CLARK, John | Abt. 1601 | Great Munden, Hereford, Eng | February 5, 1672/73 | Milford, New Haven, CT | COLEY, Mary | WFT Est. 1640-1667 | |
| CLARK, John | WFT Est. 1643-1663 | | WFT Est. 1677-1749 | | SMITH, Sarah | WFT Est. 1674-1707 | |
| CLARK, John | Abt. 1650 | | July 26, 1731 | Middletown, CT | WHITE, Elizabeth | WFT Est. 1683-1707 | |
| CLARK, John | January 22, 1649/50 | Ipswich, Essex Co, MA | WFT Est. 1678-1741 | | BURNHAM, Mary | October 9, 1672 | Essex Co, MA |
| CLARK, John | September 1, 1651 | Dorchester, Suffolk, Massachusetts | February 10, 1708/09 | Windsor, Hartford, Connecticut | | | |
| CLARK, John | February 23, 1675/76 | New Haven, New Haven, Connecticut | WFT Est. 1707-1766 | | Deborah | WFT Est. 1707-1741 | |
| CLARK, John | June 23, 1748 | New Haven, New Haven, Connecticut | WFT Est. 1749-1838 | | | | |
| CLARK, John | WFT Est. 1766-1793 | | WFT Est. 1818-1879 | | SWAIN, Sarah | November 10, 1813 | |
| CLARK, John | WFT Est. 1806-1826 | | WFT Est. 1851-1912 | | CUMMINGS, Sarah S. | WFT Est. 1851-1885 | |
| CLARK, Jonathan | August 1, 1639 | Dorchester, Suffolk, MA | July 18, 1690 | YOUNG | | | |