| EQUIVALENTS |
| ANCIENT IRISH: Áed, Áedh |
| IRISH MYTHOLOGY: Áed, Aodh |
| IRISH: Aodh |
| SCOTTISH: Aodh |
| DIMINUTIVES AND SHORT FORMS |
| ANCIENT IRISH: Áedán |
| ENGLISH: Aden, Aidan, Aiden, Aydan, Ayden |
| IRISH MYTHOLOGY: Áedán, Aodhán |
| IRISH: Aidan, Aodhagán, Aodhán, Edan |
| SCOTTISH: Aidan, Aodhagán, Aodhán, Edan, Iagan |
| OTHER FORMS |
| ENGLISH: Keegan, Kegan |
| IRISH: Keegan |