| CALBUS | Szczecinek | 1700-1865 | Koszalin | Winnebago | WI | 1864 |
| CELUSNIAK | Galicia | 1890-1996 | | | NY | |
| CEPIELIK | Szczawa | | | | | |
| CETNAR | Galicia | 1895-1996 | | | NY | |
| CHACHALEK | Galicia | 1800 | | | IL | 1900 |
| CHMIELEWSKI | Olsztyn | 1770 | Nidzica | | | |
| CHMIELEWSKI | | | | | MI | |
| CHOCHALEK | Galicia | 1800 | | | IL | 1900 |
| CHOCHOLEK | Galicia | 1800 | | | IL | 1900 |
| CHODOR | Rzeszow | | Debica | | | |
| CHOLOK | | | | | IL | 1850-1900 |
| CHOREMBAKOWA | | 1803-1861 | Zamose | | | |
| CHUDZIK | Lublin | 1838 | | | | |
| CIEMIEGA | Rzeszow | 1870 | | | IL | |
| CJOLKOSZ | Krosno | 1920 | | | | |
| COLOGEY | Galicia | 1750-1860 | Rzeszow | | | |
| COMODOLSKI | | | | | WI | 1900 |
| CRAPNIK | Rzeszow | 1830-1910 | Jaslo | | | |
| CRISNA | Galicia | 1750-1860 | Rzeszow | Hampshire | MA | 1888 |
| CRUSENA | Galicia | 1750-1860 | Rzeszow | Hampshire | MA | 1888 |
| CYBULSKI | | | | Cook | IL | 1905-1954 |
| CYGAN | Tarnow | 1891 | | | | |
| CYRAN | Galicia | 1750-1860 | Rzeszow | | | |
| CYRAN | | | | Hampton | MA | |
| CZABAN | | 1905 | | | | |
| CZABAN | | 1905 | | | | |
| CZAJKA | Galicia | 1800 | | | IL | 1900 |
| CZAJKA | Galicia | 1800 | | | | |
| CZARNEDK | | | | | | |
| CZELUSNIAK | Galicia | 1890-1996 | | | NY | |
| CZERWINSKI | Krosno | 1900 | | | | |
| CZYZEWSKI | Galicia | 1800- | Krakow | | | |
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