| Meaning | from the protected tower |
| Origin | English |
| Gender | gender neutral |
| Opposite gender | Carlisle |
| Popularity | Moderate |
| Length | 8 |
| Syllables | 2 |
| Syllabification | Car-lisle |
| Karlisle |
| Carlyle |
| Karlyle |
| Carlile |
| Karlile |
| Carlyle |
| Carlton |
| Carson |
| Carter |
| Carver |
| Casey |
| Carlos |
| Collin |
| Connor |
| Calvin |
| Cameron |
| Charles |
| Carl |
| Car |
| Lisle |
| Carly |