| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 1861 | Cully | English | Diminutive of Culver: Dove. | M | |
| 1862 | Culver | English | Dove. | M | |
| 1863 | Cupere | English | Barrel maker. | M | |
| 1864 | Curt | English | A diminutive of Curtis, meaning courteous, or an alternative spelling of Kurt or Cort. | M | |
| 1865 | Curtis | English | Polite; courteous. | M | |
| 1866 | Curtiss | English | Courteous. See also Curt. | M | |
| 1867 | Cuthbeorht | English | Noted splendor. | M | |
| 1868 | Cuthbert | English | From the Old English 'cuth' meaning famous, and 'beorth' meaning bright. | M | |
| 1869 | Cutler | English | Makes knives. | M | |
| 1870 | Cwen | English | Queen. | F | |
| 1871 | Cwentun | English | From the queen's estate. | M | |
| 1872 | Cy | English | Master, lord. A diminutive of Cyril or Cyrus. | M | |
| 1873 | Cyd | English | Variand abbreviation of Sydney, meaning "from St. Denis". | F | |
| 1874 | Cyd | English | Variant abbreviation of Sydney, meaning "From St. Denis" | M | |
| 1875 | Cydnee | English | Variant of Sydney, meaning "From St. Denis." | F | |
| 1876 | Cydney | English | Variant of Sydney. From St. Denis. | F | |
| 1877 | Cydney | English | Variant of Sydney. From St. Denis. | M | |
| 1878 | Cym | English | Ruler. | F | |
| 1879 | Cymberly | English | From the royal meadow. | F | |
| 1880 | Cynburleigh | English | From the royal meadow. | F | |