| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Efa | - | Welsh | ||
| Eifion | AYV-yon, IEV-yon | Welsh | ||
| Eigyr | - | Welsh Mythology | ||
| Eiluned | - | Welsh | ||
| Eilwen | - | Welsh | ||
| Einion | - | Welsh | ||
| Eira (1) | - | Welsh | ||
| Eirian | - | Welsh | ||
| Eirlys | - | Welsh | ||
| Eirwen | - | Welsh | ||
| Elain | - | Welsh | ||
| Elen | EL-en | Welsh | ||
| Eleri | - | Welsh | ||
| Elin | E-lin (Swedish, Norwegian) | Swedish, Norwegian, Danish, Welsh | ||
| Ellis (2) | EL-is | Welsh |