| Name | Sex | Birth date | Birth location | Death date | Death location | Spouse | Marriage date | Marriage location |
| Jacobson, Edward | Male | | | | | McBride, Betsy Elmira | | |
| Jacobson, Jacob Elias | Male | | | | | McBride, Cecelia Elmira | May 28, 1877 | Salt Lake City, Salt Lake, UT |
| James | Male | | | | | Hunt, Ann | June 07, 1654 | ROWLEY, Mass |
| James, David | Male | Abt. 1818 | Monmouth, Wales | | | Phillips, Jane | | |
| James, Elizabeth | Female | | | | | Gilman, Lawrence | June 20, 1588 | Caston, Norfolk, Eng |
| James, Mary | Female | | England | | | Gilbert, Thomas | September 17, 1639 | All Saints, Bromwich, Staffordshire, England |
| James, Mary Ellen | Female | | | | | Larsen, Niels Peter | January 09, 1896 | Spanish Fork, Utah, UT |
| James, May | Female | | England | | | Hulbert, Joseph | | |
| James, William Richard | Male | | | | | Wiggill, Sarah Ann Susannah | March 06, 1865 | "Lilyvale" Queen, C.Prv., S.Af. |
| Jan | Female | | | | | Fiske, William | | |
| Jane | Female | | | | | Butler, Thomas | | |
| Jane | Female | | | | | Clark, Benjamin | | |
| Jane | Female | | | | | Hobart, Thomas | June 02, 1629 | Norfolk, Eng |
| Jane | Female | 1605 | London, Middlesex, England | | Boston, Suffolk, Massachusetts | Andrews, Samuel | 1625 | England |
| Janes | Female | | | | | Hobart, Thomas | | |
| Janes, Elizabeth | Female | | | | | Phelps, Jedediah | 1708 | Lebanon, New London, Conn |
| Jansen, Mette Cathrine | Female | | | February 15, 1778 | Herstedoster, Copenhagen, Denmark | Nielsen, Lars | | |
| Jaussi, Barbara | Female | | | December 23, 1765 | | | | |
| Jaussi, Barbara | Female | | | | | | | |
| Jaussi, Christian | Male | | | December 18, 1761 | | | | |
| Jaussi, Christian | Male | Abt. 1642 | of Wattenwil, Bern, Switzerland | | | Trachsel, Barbara | November 01, 1667 | Wattenwil, Bern, Switzerland |
| Jaussi, Christina | Female | | | December 02, 1771 | Wattenwil, Bern, Switzerland | Schober, Daniel | July 09, 1729 | Wattenwil, Bern, Switzerland |
| Jaussi, Hans | Male | | | | | | | |
| Jaussi, Hans | Male | April 17, 1674 | Wattenwil, Bern, Switzerland | | | Wenger, Magdalena | Bet. January 28, 1696/97 - January 1697/98 | Wattenwil, Bern, Switzerland |
| Jaussi, Melchier | Male | | | July 22, 1759 | | | | |
| Jeffreys, George | Male | | | | | Strawn, Lydia Ann | May 13, 1851 | |
| Jenkins, Joel | Male | | | | | Gilbert, Sarah | July 14, 1640 | Braintree, Norfolk, MA |
| Jennor, Richard | Male | | | | | Catesby, Wilburga | | |
| Jensdatter, Ane Johanne | Female | | | | | Nielsen, Anders | November 14, 1810 | Jerslev, Hjorring, Denmark |
| Jensdatter, Birgitte | Female | | | | | | | |
| Jensdatter, Inger | Female | | | | | | | |
| Jensdatter, Kirsten | Female | | | | | Petersen, Jens | February 19, 1844 | |
| Jensdatter, Kirsten | Female | | | | | | | |
| Jensdatter, Maren | Female | | | | | | | |
| Jensdatter, Maren | Female | Abt. 1700 | Of Jerslev, Hjorring, Denmark | | | Ollesen, Christen | | |
| Jensdatter, Maren | Female | October 11, 1751 | V. Hjermitslev, Hjorring, Denmark | June 12, 1753 | V. Hjermitslev, Hjorring, Denmark | | | |
| Jensdatter, Maren | Female | May 01, 1754 | Snedsted, Thisted, Denmark | September 10, 1819 | Snedsted, Thisted, Denmark | Pedersen, Niels | November 12, 1779 | Tolstrup, Hjorring, Denmark |
| Jensdatter, Mette | Female | | | | | Nielsen Hellede, Peder | December 30, 1738 | V. Hjermitslev, Hjorring, Denmark |
| Jensen, Ane Dorthea | Female | | | | | Christiansen, Lars Hansen | April 26, 1875 | Salt Lake City, Salt Lake, UT |
| Jensen, Ann Maria | Female | | | | | Christiansen, Hans | | |
| Jensen, Anna | Female | | | | | Mogensen, Jens | | |
| Jensen, Anna Margarethe | Female | | | | | Hansen, Hans | | |
| Jensen, Christen | Male | Abt. 1703 | Todao, Thisted, Denmark | | | Josephsen, Sidsel | | |
| Jensen, Christian | Male | 1764 | Eggeslevmagle, Soro, Denmark | July 27, 1831 | Eggeslevmagle, Soro, Denmark | Pedersdatter, Kirsten | December 04, 1791 | Eggeslevmagle, Soro, Denmark |
| Jensen, Else Kirstine | Female | February 02, 1838 | Stenum, Hjorring, Denmark | July 25, 1914 | Snowflake, Navajo, AZ | Svenningsen, Anders | | |
| Jensen, Else Marie Emelie | Female | | | | | Christiansen, Hans Peter | February 06, 1902 | Copenhagen, Denmark |
| Jensen, Hans Christian | Male | | | | | Christiansen, Hanne Marie | December 17, 1858 | Slots-Bjaergby, Soro, Denmark |
| Jensen, Jens | Male | | | | | | | |
| Jensen, Jens | Male | 1670 | | | | Sorensdatter, Else | June 26, 1695 | V. Hjermitslev, Hjorring, Denmark |
| Jensen, Jens Christian | Male | | | | | Pedersen, Maren | October 26, 1847 | Vraa, Hjorring, Denmark |