- Cheeseman
 - 
Daniel = Margery Sackett (c 1642-)
 - Chellborg
 - 
Conrad Frederick (1845-1923)
 Cornelius Sackett  (1854-1926)
 Frederick Sackett  (1893-)Gunella Rosetta (1848-1934)
 Ida Evelyn  (1894-1932)
 Isabel Rosetta  (1885-1967)Nathaniel S (1843-1846) - Chesebro
 - 
Luke B = Julia Belcher Sackett (1849-)
 - Chesley
 - 
 Emma Susan = Orange E Sackett  (1841-1928) - Chidester
 - 
Clark Sackett (1818-1885)Erastus = Lydia Sackett (1790-1872)
 - Chilson
 - Chilten
 - 
Robert = Mary Sackett (c 1597-)
 - Chipman
 - 
Frances Worthington "Fanny" = Franklin "Frank" Sackett (c 1846-1919)
 - Chittendon
 - 
Lucinda = Jonathan Sackett (1783-1851)Sally = Jonathan Sackett (1783-1851)___ = James Sackett (1770-1821)
 - Chrisman
 - Christ
 - Church
 - 
Daniel = Martha Sackett (1651-after 1683)Jane C = Alonzo Sackett (1819-1896)Rachel = John Sacket (1723-poss. Oct 1766)
 - Churm
 - 
Lily = Frank William Sylvester Sackett (1869-1944)
 - Cillo
 - Claer
 - 
 Eileen Genevieve = Robert Macarthur Keir  (1905-2011) - Clapp
 - 
Asa B = Caroline Elvira Sackett (1820-1883)Edward = Cynthia Sackett (1820-1845)Sophronia = Hiram Sackett (1801-1848)
 - Clark
 - 
Albert Arthur (1866-1867)Alfred John (1869-1942)Alfred William (1868-)
 Alice I  (1899-)Ann (1793-)Augusta Eliza (1866-1958)Burgess Miller (1911-1980)Caroline Eliza (1856-1929)Cephas = Betsey Sackett (c 1786-1870)Charles H (1842-1933)Charlotte Ann (1853-1898)Charlotte Anne (1876-)Charlotte Frances = Samuel Alfred Sackett (1873-1946)Clarice Eveline (1902-1977)Daniel (1784-)Dorcas = Aaron Sackett (1760-1827)Electa = Justus Sacket (1804-1893)Elizabeth Emma (1876-1878)Emaline = Cyrus Sackett (1838-1911)Emma (c 1865-before 1907)Emma Elizabeth (1881-1971)Emma Jane (1871-)Frances Susanna (1841-)George Baley (1873-)George Thomas (1851-1910)Harriet Rosina (1876-)Helen Emma "Ellen" (1870-1949)Henrietta (1896-)Henry Robert "Harry" (1863-1943)Henry Thomas (1883-1960)James Pettit (1801-)James William (1857-1902)Jane Elizabeth (1874-1909)Jessie Ann (1881-)John (1799-)Katherine (1794-)Lathan (1796-)Lathan = Eunice Sackett (say 1773-)
 Lottie O  (1905-)Margaret May (1890-1976)Mary (1787-)Mary Jane (1860-1902)Mary Louise Helen (1884-)Matilda Bertha = Clark De Witt Sackett (1844-1923)Nathaniel = Lydia Sackett (1792-1859)Nathaniel A (c 1829-)Nellie O (1923-)Olive = Charles William Knox (1806-)Owen Lincoln (1910-1988)Penelope Catherine (1891-)Rose "Mary Jane" = William Henry Sackett (1802-1878)Rose L (1922-)Rosina Harriet (1861-1928)Sybil J = Augustus J Sackett (1829-1881)Thomas (1792-)Thomas James (1866-)Virginia M (1915-2003)William (1850-) - Clarke
 - 
Elizabeth = Jeffery Sackett (1691-1773)John = Joane Sackett (1591-)John = Mary Sackett (1640-)
 - Clary
 - 
Mary Ellen = Erwin Gilbert Sackett (1829-1919)
 - Clements
 - Clendenin
 - Cleveland
 - 
Charles Joseph = Abigail Moseley Sackett (1806-1850)Phylinda = Joseph Sackett (1794-after 1871)Virginia Sackett (1902-)
 - Cleybrooke
 - 
Etheldred (1613-)Margaret (1617-)Rev Thomas = Margaret Sackett (1589-1647)
 - Clifford
 - 
Elizabeth = Henry Sackett (1710/11-1790)
 - Clifton
 - Clinton
 - 
Eunitia = Eli Sackett (1775-1836)
 - Clough
 - 
Henry W (c 1863-)
 - Clowes
 - 
Millicent = Joseph Sackett (1706/7-after 1757)
 - Clunn
 - 
Elizabeth (1664-)John (1672-)Mary (1688-1688)Sarah (1689-)Thomas (1693-)Thomas = Mary Sackett (1652-after 1693)William = Faith Sackett (1632-1719)William Jr (c 1658-)
 - Cobb
 - 
Alfred = Sarah Elizabeth Sackett (1837-)Anthony Blackburn (1842-)Carleton Phillip (1881-1939)Elizabeth (1751-1831)Elsie Carleton (1910-1990)Francis (1759-1831)Francis = Elizabeth Sackett (1724-1790)Martha (1753-1819)Thomas Francis (1797-1882)
 - Coburn
 - 
Howard S (1872-1872)Lucy C (1881-)Mathias C = Susan T Sackett (1839-1920)Minnie N (1878-1937)
 - Cochrane
 - 
Martha Anne = George Edward Sackett (1842-1921)
 - Cock
 - 
Caroline Emily (1849-)Edward = Mary Serjeant Tomlin Sackett (1820-1858)Helen (1847-1856)Susanna = Thomas Sackett (1742-1799)
 - Cocke
 - 
Anne = Robert Sackett (1627/28-1708/9)
 - Cockell
 - 
Jessie L = Reginald Sackett Willett (1903-1978)
 - Cocklinge
 - 
George (1599-)Mary (1597-)Robert (1600-)Robert = Katherine Sackett (1563-after 1593)
 - Codman
 - 
William = Hester Sackett (1789-1877)
 - Coe
 - 
Harriet = Samuel John Sackett (1834-1907)Seth = Diana Sacket (1736/37-)
 - Coggleshall
 - 
 Mary Lyon = Prof Robert Lemuel Sackett  (1867-1946) - Colbourn
 - 
Rose Ellen = Edward Sackett (1875-1925)
 - Colby
 - Cole
 - 
Ellen "Nellie" = Perry Sackett (1817-)
 Emily L = Lemuel Millar Sackett  (1831-1908)Ivy = Asa White Sackett (c 1809-after 1880)Nora Mildred = Charles Grant Sackett (1869-1944) - Coleman
 - 
Alice Matilda = John Sackett (1854-1917)Israel (1698-)John (1703-1703)John (1706-)John (1779-)Mary (1704-)Mary (1802-)Mary = Thomas Sackett (1618-1666)Richard (1744-)Thomas (1700-)William (1696-1708)
 - Collier
 - Collins
 - 
Abigail Frances (1826-)Ann = Stephen Sackett (say 1750-)Charles = Abigail Sackett (1790-1882)Charlotte = James Sackett (1804-1893)Emma (1854-)Erastus (1822-)Flavia Ann (1820-)Haventon (1818-)Henry (1817-)James (1824-)
 Mearl Joan "Muriel" = Melvin Howard Sackett  (1932-1995)Richard (c 1823-) - Compton-Bracebridge
 - 
Charles (1883-1924)James (Rev) (1888-1980)Margaret (1885-)Mary (1887-)
 - Comstock
 - 
Anne (1759-)Ella S (1852-1860)Ella Sackett (1879-)Henry Sturtevant (1873-)Ichabod = Margaret Sacket (1733-)Justus Sackett (1850-)Laura Luella (1887-)Medad (1765-)Rhoda (1761-)Silas = Minerva Sackett (1803-1887)Silia Jane (1842-1929)
 - Conant
 - 
Rebecca = Leander Sackett (1794-1869)
 - Condito
 - 
Janet Marie (c 1935-1984)Nancy Lee (1934-1998)
 - Conger
 - 
Cahziah = Richard Sackett (1777-1828)George (1807-1810)Harriet (1805-1872)Hester (1816-1831)Jason R (1808-1840)Job (1810-1827)John (1803-1853)Lucia Ann "Lucy" (1815-1870)Lura A (1816-1881)Nelson Potter (1811-1883)Potter = Lucy Sackett (1780-1836)
 - Conkey
 - 
Fortus = Cornealia Sackett (say 1815-)
 - Conklin
 - 
Harry L (1891-1967)Ima Gene = Arthur Albert Sackett (c 1870-)Maude Elizabeth (1892-1942)
 - Conner
 - 
Lillian (1871-1953)
 - Connor
 - 
Betty J (c 1923-)Gene R (1929-)June E (1927-)
 - Conway
 - 
Nellie = John Smith Sackett (1851-1882)
 - Cook
 - 
Ann (1806-)Charles (1813-)Charlotte (1819-)Edward (1807-)Elizabeth (1799-)George (1804-)Henry (1812-)Hester (1823-)James (1809-)Jane (1810-)John (1801-)John = Ann Sackett (1779-1869)Katherine = George Edward Sackett (1875-1949)Lilian (1823-)Mary (1811-)Sabra Jane = Gilbert Sackett (1825-c 1865)Sampson (1815-)Samuel (1821-)Samuel W = Nancy Sacket (1813-1905)Sarah (1817-)Stephen (1808-)Thomas (1800-)Vincent (1816-)William (1803-)Zachariah (1818-)
 - Cooke
 - 
Frances = Thomas Sackett (1662-after 1716)
 - Cooley
 - 
Augustine Sackett (1856-1920)Harriet Maria (1852-1927)James Allen MD (1885-)Lura Esther (1884-)Valorous = Martha Louise Sackett (1845-)
 - Cooper
 - 
Charlotte H = Joseph Sackett (1811-1873)Edward R (c 1840-1877)Fred Charles = Irene Sackett (1898-)
 James = Adeline Paulina Sackett  (1907-1993)Lucretia = Ammi Sackett (1817-1877)Mary (1849-1849)Mary Ann (___) = Perry Sackett (1817-)Mary Ann = Benjamin Sackett Cox (1811-1885) - Copping
 - 
Arthur (1918-)Cecil W (1912-)Dorothy (1914-)Elizabeth Jane (1900-)George (1906-)Ivy (1910-)Robert John (1902-)
 - Corby
 - 
Ivy Maud = Ronald Warburton Sackett (1908-1979)
 - Cordero
 - 
 Mercedes = Robert A Sackett  (1939-2023) - Corey
 - 
Medad Smith = Hester Sackett (1832-1913)Sara Docia (1857-1939)
 - Corgan
 - 
Mary Lucinda = John Preston Sackett (1837-1913)
 - Corlew
 - 
Emily Jane = Jasper Newton Sackett (1840-1933)
 - Cornelius
 - 
Dorothy (c 1900-)Eleanor (c 1896-)Eugene Sackett (1906-1993)Frank W (c 1902-)Hilda Mae (c 1904-1988)Mary (c 1898-)
 - Cornish
 - 
Alida I (c 1878-)Edwin R (c 1876-)
 - Cornwell
 - 
Aletta = Caleb Sackett (1812-1853)
 - Corsaut
 - 
Zada = Roy Erle Keir (1882-1972)
 - Corwin
 - Cotton
 - 
Elvira = Horace Sackett (1820-1864)Harriet = Edward Richard Sackett (1843-1891)Philander = William Sacket (1808-1836)