| JACH | West
Prussia | 1850 | | Cook | IL,
WI | 1900 |
| JACH | West
Prussia | 1850 | | | OH,
IN | 1900 |
| JACHOWSKI | West
Prussia | 1850 | | | | |
| JACHOWSKI | West
Prussia | 1850 | | | MA | 1865 |
| JACHOWSKI | | | | | MA | 1865 |
| JACKOWSKI | | | | | | |
| JADACK | Kolbuszowa | 1800 | Rzeszow | New Haven | CN | |
| JADKE | | 1840-1850 | | Cook | IL | 1905 |
| JAGODZINSKI | Poznan | 1840-1850 | | Cook | IL | 1900 |
| JAGODZINSKI | Poznan | 1840-1850 | | | MI | 1900 |
| JAGODZKI | Galicia | 1800- | Krakow | | | |
| JAKACKI | Warszawskie | 1800 | Pultusk | | | |
| JAKUBCZY | Lublin | 1700 | Kazemierz
Dolny | | | |
| JAKUBOWSKI | Lwow -
Galicia | 1800-1900 | Stanislawow | | | |
| JANAJTIS | Jergarka | | | | | |
| JANAS | Krosno | 1900 | | | | |
| JANAS | Galicia | 1750-1860 | Rzeszow | | | |
| JANASZ | | | | | | |
| JANIK | Galicia | 1750-1860 | Rzeszow | Hampshire | MA | 1888 |
| JANKOWSKI | Poznan | | | | | |
| JANKOWSKI | Galicia | 1750-1860 | Rzeszow | Hampshire | MA | 1888 |
| JANNOHEWSKY | | | | | | |
| JANUSY | Krosno | 1700-1900 | | | | |
| JANUSZEWSKI | Lomza | 1880 | | | | |
| JARDKI | | 1840-1850 | | | MI | 1905 |
| JARKIE | Poznan | 1840-1850 | | Cook | IL | 1905 |
| JASINSKI | Krosno | 1900 | | | | |
| JASTRZEBOWSKI | Olsztyn | 1760 | Nidzica | | | |
| JAWORSKI | Tarnow | 1870 | Lubcza | Lake | IN | 1907 |
| JEDZINIAK | | | | | | |
| JESIONOWSKI | Germany | 1880 | | | MI | |
| JEWEWO | No.
Poland | | | | | |
| JORDAN | Olsztyn | 1849 | Rudzience | Milwaukee | WI | |
| JOSEFSKI | | | | | | |
| JOSEPHSKI | | 1849 | | Milwaukee | WI | |
| JOSEWSKI | | | | | | |
| JOZWIAK | Pilichowo | 1810 | | | | |
| JUHASZ | Slovakia | 1750-1800 | | | | |
| JUNG | Sachsen | 1891 | | | | |
| JURCAK | Orava | | | | | |
|