| Location | Sub-location | Title | Author/Comp./Editor |
| J Families | JACKSON | Jackson Genealogy (Chester Co., Pa.) | |
| J Families | JACKSON | Jacksoniana | |
| J Families | JACOBY | Descendants of Bartholomew Jacoby | Helen E. (Jacoby) Evard |
| J Families | JACOBY | Jacoby Family Genealogy | |
| J Families | JAMIESON | Genealogy of the Jamieson Family (PA) | |
| J Families | JAMES | Matthew James of New Hampshire and His Known Descendants | Markley, Janet James and Mary Lou James Burnett |
| J Families | JAY | Direct Ancestors of Marilla Jay, wife of Harlow Martin Wilcox | Martha S. Osborne |
| J Families | JEFFERSON | Jefferson, the Virginian | Dumas Malone |
| J Families | JEFFERSON | Jefferson-Hemings: A special issue of the National Gen. Soc. Quarterly | |
| J Families | JEFFRIES | See: Some Martin, Jeffries and Wayman Families | |
| J Families | JENKINS | Composite of Descendants of William Jenkins: an early Pioneer in the settlement of Harlan Co. KY | Baxter Jenkins |
| J Families | JENKINS | Jenkins Family History | American Historical-Genealogical Society |
| J Families | JENKINS | Thread Runs not So Truly: A Family Story | N. Baxter Jenkins |
| J Families | JENKINS | Thomas Jenkins of Maryland 1670: His descendants and allied families*** | Jenkins, Edward Felix, OSA |
| J Families | JENNENS | Great Jennens Case: Epitome of the History of the Jennens Family | Harrison & Willlis |
| J Families | JENNINGS | American Family Antiquity | Albert Welles |
| J Families | JENNINGS | Ancestry of Annie Burr Jennings of Fairfield, CT | |
| J Families | JENNINGS | Genealogical History of the Jennings Families in England and America | William H. Jennings |
| J Families | JENNINGS | Jennings of Haddonfield | James R. Jennings |
| J Families | JENNINGS | Jennings of Virginia | Frances C. Griffin |
| J Families | JEWELL | Jewell Register | |
| J Families | JOB/JOBS | Jobs Family Descendants Of Adam Jobs (1748-1798) of NJ | |
| J Families | JOHNS | Johns Family History | American Genealogical Research Institute |
| J Families | JOLLY | Descendants of John Jolly: Born 1771 in North Carolina | William Thomas Jolly, comp. |
| J Families | JONES | Genealogy of a Jones Family of Arkansas and Missouri | Olga Jones Edward |
| J Families | JONES | Jones Family of Long Island | John H. Jones |
| J Families | JONES | Jones Journeys | |
| J Families | JORDAN | Jordan Family | Stanley J. Anderson |
| J Families | JORDAN | Jordan Memorial | |
| J Families | JOY | Joy Genealogy | |
| J Families | JUDD | Thomas Judd and his Descendants | Sylvester Judd |
| J Families | JUDKINS | Judkins Family, Descendants of David 1770 - 1983 | |
| J Families | JUDKINS | Judkins, Job of Boston and his Descendants | |
| J Families | JUDKINS | Judkins of New England. (5 Genealogy) | |
| J Families | JUDKINS | Judkins of Virginia (5 Genealogy) |