SUBMIT YOUR DECATUR COUNTY FAMILY NAMES J
Send an email to momdit@aol.com and just type Surname
Decatur County into the subject line and the surnames and your name, plus a town or township specific to the surname you wish to post in the message area.
| SURNAME | CITY | Contact Person |
| JEFFERSON | . | James Miller |
| JENKS | Leon | David Tomko |
| JENNINGS | Woodland | Joy Goodwin |
| JENSEN | Leon | Brenda Riggs Marquez |
| JERSEL | . | Beverly Barger |
| JEWETT | . | Carmelita Abrams |
| JEWETT | . | Jackie Moore Goeken |
| JODAN | David | |
| JOHN | Prairie City | Jan Bony |
| JOHNSON | Woodland | Carla Rae |
| JOHNSON | . | Carol |
| JOHNSON | Leon | Brenda Riggs Marquez |
| JOHNSTON | . | James Porter |
| JONES | . | Beverly Barger |
| JONES | Prairie City | Jan Bony |
| JONES | Hamilton twp. | Ann Jones |
| JONES | Grand River | Julie Jones Beenblossom |
| JONES | Pat Hailey | |
| JORDAN | . | Linda Willuweit-Joy |