| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Abi | - | Scottish | ||
| Africa (2) | - | Irish, Scottish | ||
| Aidan | AY-dən | Irish, Scottish, English (Modern) | ||
| Aifric | - | Irish, Scottish | ||
| Aileas | - | Scottish | ||
| Aileen | ie-LEEN, ay-LEEN | Scottish, Irish, English | ||
| Ailpein | - | Scottish | ||
| Ailsa | - | Scottish | ||
| Aindrea | - | Scottish | ||
| Ainsley | AYNZ-lee | Scottish, English (Modern) | ||
| Alan | AL-ən (English) | English, Scottish, Breton, French | ||
| Alasdair | - | Scottish | ||
| Alastair | - | Scottish | ||
| Alistair | - | Scottish | ||
| Alister | - | Scottish |