| Surname | Village | Province | ID |
| Jabusch | Genowefa (near Wladyslawow) | Kalisz | REC-LE |
|
| Jabusch | Green Bay | Manitoba | REC-LE |
|
| Jabusch | Neuteich | Posen | REC-LE |
|
| Jabusch | Niezpodzanka III | Volhynia | REC-LE |
|
| Jabusch | Wolnica Grabowska | Kalisz | REC-LE |
|
| Jachnicki | Czortkow Stary | Galicia | KIR-BA |
|
| Jacyszen | | Galicia | KOM-CH |
|
| Jacyszyn | Skala | Galicia | HAG-RO |
|
| Jaffe | Chicago | Illinois | WAX-FR |
|
| Jagosz | Radziechowy | Galicia | SOL-EL |
|
| Jaivorska | Horodenka | Galicia | WIL-GO |
|
| Jaivorski | Horodenka | Galicia | WIL-GO |
|
| Jakubek | | Galicia | HAC-WA |
|
| Jakubowska | Podhajczyki | Galicia | BUK-CH |
|
| Jakubowski | Bystrzyca Dolna? | Galicia | FRA-AN |
|
| Jakubowski | Bystrzyca Gorna? | Galicia | FRA-AN |
|
| Jakubowski | Bystrzyca? | Galicia | FRA-AN |
|
| Jamila | Stykow | Galicia | JOZ-GE |
|
| Jana | Zelatovice | Moravia | FRA-AN |
|
| Janczyk | Gusztynek | Galicia | HAJ-LI |
|
| Janke | Guhrwitz | Silesia | HUP-NO |
|
| Jankowski | Gebalowka | Suwalki | ROG-JO |
|
| Janotte | | Pomerania | MCN-JE |
|
| Janotte | | Posen | MCN-JE |
|
| Janotti | | Pomerania | MCN-JE |
|
| Janotti | | Posen | MCN-JE |
|
| Janousek | Dzbanov | Bohemia | PUR-MA |
|
| Janousek | Dzbanov | Bohemia | PUR-MA |
|
| Janouskova | Dzbanov | Bohemia | PUR-MA |
|
| Janowska | Olnik | Galicia | CUM-SH |
|
| Jans | | Bessarabia | JAN-AL |
|
| Jansky | Dolni Sloupnice | Bohemia | PUR-MA |
|
| Jansohn | Lemberg | Galicia | ROZ-ED |
|
| Jansohn | Lwow | Galicia | ROZ-ED |
|
| Janzen | Alexandrodar | Caucasus (Military District) | HRY-OL |
|
| Janzen | Alexandrodar | Caucasus (Military District) | HRY-OL |
|
| Janzen | Pordenau | Taurida | HRY-OL |
|
| Janzen | Pordenau | Taurida | HRY-OL |
|
| Jarema | Germakowka | Galicia | PAG-JO |
|
| Jarema | Hermakivka | Galicia | PAG-JO |
|
| Jaremko | Dmytrze | Galicia | ORO-AN |
|
| Jaremko | Winnipeg | Manitoba | ORO-AN |
|
| Jarenczak | | Galicia | SKI-RA |
|
| Jarimisyn | | Galicia | SLA-SH |
|
| Jarski | Bruckenthal | Galicia | WOL-EV |
|
| Jaschick | Komorniki | Silesia | NIE-VI |
|
| Jaschick | Sciborowice | Silesia | NIE-VI |
|
| Jasinczuk | Zvynyach | Galicia | KOO-CA |
|
| Jasinczuk | Zwiniacz | Galicia | KOO-CA |
|
| Jaskiewicz | | Galicia | HAM-MA |
|
| Jaskiewicz | Gimli (near) | Manitoba | HAM-MA |
|
| Jaskoweic | Bulina | Galicia | MCN-SA |
|
| Jasnikowski | Tarnowica Polna | Galicia | DOH-KA |
|
| Jasnikowski | Tarnowica Polna | Galicia | SRO-DI |
|
| Jast | Podhajczyki | Galicia | LEW-JO |
|
| Jaszkowiec | Bulina | Galicia | MCN-SA |
|
| Jawna | Howilow Wielki | Galicia | TOL-AL |
|
| Jawny | Howilow Wielki | Galicia | TOL-AL |
|
| Jaworski | Horodenka | Galicia | ORO-AN |
|
| Jelenkow | Dmytrze | Galicia | ORO-AN |
|
| Jenista | Cerekvice | Bohemia | PUR-MA |
|
| Jestadt | Munchenthal | Galicia | LEN-BR |
|
| Jestadt | Muzylowice Kolonia | Galicia | LEN-BR |
|
| Jestat | | Galicia? | HAU-DO |
|
| Jetrin | Czulowice | Galicia | ORO-AN |
|
| Jetrin | Kupnovychi Novi | Galicia | ORO-AN |
|
| Jetrin | Kupnowice Nowe | Galicia | ORO-AN |
|
| Jetrin | Neu Kupnowitz | Galicia | ORO-AN |
|
| Jihnasz | Szczutkow | Galicia | HAJ-LI |
|
| Jlenkow | Dmytrze | Galicia | ORO-AN |
|
| Jochim | Kandel | Kherson | BOW-GE |
|
| Jodlowski | Brokenhead | Manitoba | LES-BR |
|
| Jodlowski | Gonor | Manitoba | LES-BR |
|
| Jodlowski | Kamianka Strumilova | Galicia | LES-BR |
|
| Jodlowski | Kamianka-Buzka | Galicia | LES-BR |
|
| Jodlowski | Kamionka Strumilowa | Galicia | LES-BR |
|
| Jodlowski | Leshniv | Galicia | LES-BR |
|
| Jodlowski | Leszniow | Galicia | LES-BR |
|
| Jodlowski | Narol | Manitoba | LES-BR |
|
| Jodlowski | Sokole | Galicia | LES-BR |
|
| Jogi | Reigi | Estonia | HER-LO |
|
| Johan | Fehlbach | Galicia | LEN-BR |
|
| Johan | Munchenthal | Galicia | LEN-BR |
|
| Johan | Muzylowice Kolonia | Galicia | LEN-BR |
|
| Jopko | Berest | Galicia | WOY-NO |
|
| Jopko | Virden | Manitoba | WOY-NO |
|
| Jorzak | Jednaczewo | Congress Poland | JOZ-GE |
|
| Jubinville | Paris | | MES-AN |
|
| Jukniewicz | Szczurowice | Galicia | KIN-LU |
|
| Jungblut | Dierdorf | Rhineland | SCH-RU |
|
| Jungbluth | Dierdorf | Rhineland | SCH-RU |
|
| Jungwirth | Appleton | Wisconsin | JUN-IS |
|
| Jungwirth | Oshkosh | Wisconsin | JUN-IS |
|
| Jungwirth | Volary (Wallern) | Bohemia | JUN-IS |
|
| Junka | Sieniawa | Galicia | WOR-RO |
|
| Junka | Syniava | Galicia | WOR-RO |
|
| Jurasz | Grab | Galicia | SWA-AN |
|
| Jurasz | Hrab | Galicia | SWA-AN |
|
| Juravinski | Verkhniakivtsi | Galicia | STE-CA |
|
| Juravinski | Vysichka | Galicia | STE-CA |
|
| Juravinski | Wierzchniakowce | Galicia | STE-CA |
|
| Juravinski | Wysuczka | Galicia | STE-CA |
|
| Jurcyszyn | Zaleszczyki | Galicia | SUN-EL |
|
| Jurczak | Jednaczewo | Congress Poland | JOZ-GE |
|
| Jurczsyn | Zaleszczyki | Galicia | SUN-EL |
|
| Jurkiewicz | | Galicia | WEB-VI |
|
| Juryk | Lubienie | Galicia | SOL-EL |
|
| Juskiewicz | Halicz | Galicia | ONU-IR |
|
| Juskovitz | Preikopa | Hungary | SOK-SH |
|
| Juskowitz | Preikopa | Hungary | SOK-SH |
|
| Just | Jednaczewo | Congress Poland | JOZ-GE |
|
| Juswiszyn | | | MOS-BR |
|
| Jwanikow | Zvynyach | Galicia | KOO-CA |
|
| Jwanikow | Zwiniacz | Galicia | KOO-CA |