| ADEN m English (Modern) |
| ÁED m Ancient Irish, Irish Mythology |
| ÁEDÁN m Ancient Irish, Irish Mythology |
| ÁEDH m Ancient Irish |
| AIDAN m Irish, Scottish, English (Modern) |
| AIDEN m English (Modern) |
| AODH m Irish, Scottish, Irish Mythology |
| AODHAGÁN m Irish, Scottish |
| AODHÁN m Irish, Scottish, Irish Mythology |
| AYDAN (2) m English (Modern) |
| AYDEN m English (Modern) |
| EDAN m Irish, Scottish |
| IAGAN m Scottish |
| KEEGAN m Irish, English |
| KEGAN m English (Modern) |
