| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ÉRico | - | Portuguese | ||
| ÉRiu | - | Irish Mythology | ||
| ÉTaÍN | AY-teen | Irish Mythology | ||
| ÍÑIgo | - | Spanish | ||
| ÍDe | EE-da | Irish | ||
| ÍOmhar | - | Irish | ||
| ÍRis | - | Portuguese, Icelandic | ||
| ÍVarr | - | Ancient Scandinavian | ||
| Ó&Eth;Inn | - | Norse Mythology, Icelandic | ||
| ÓEngus | - | Ancient Irish, Irish Mythology | ||
| ÓLavur | - | Faroese | ||
| ÓRfhlaith | OR-la | Irish | ||
| ÓRlaith | OR-la | Irish | ||
| ÓScar | OS-kahr (Spanish) | Spanish, Portuguese | ||
| ÖMer | uu-MER | Turkish |