| Meaning | slender |
| Origin | English, Hawaiian |
| Gender | gender neutral |
| Opposite gender | Caylen |
| Popularity | Moderate |
| Length | 6 |
| Syllables | 2 |
| Syllabification | Cay-len |
| Kaylen |
| Caylan |
| Cailin |
| Cailen |
| Catherine |
| Charlotte |
| Caroline |
| Christina |
| Cynthia |
| Cassandra |
| Cecilia |
| Christine |
| Cay |
| Cayla |
| Len |
| Kaylee |