| Name | Gender | Origin |
|---|
| Abhainn | Boy | Scottish |
| Acair | Boy | Scottish |
| Adair | Unisex | English, Indian, Scottish |
| Aibne | Boy | Scottish |
| Ail | Boy | Scottish |
| Ailbert | Boy | English, Indian, Scottish |
| Ailean | Unisex | Scottish |
| Ailein | Boy | Scottish |
| Aillig | Boy | Scottish |
| Aindrea | Boy | Scottish |
| Aindreas | Boy | Scottish |
| Ainsley | Unisex | English, Indian, Scottish |
| Ainslie | Unisex | English, Indian, Scottish |
| Akir | Boy | Scottish |
| Akira | Unisex | Indian, Japanese, Scottish |
| Alaisdair | Boy | Scottish |
| Alan | Boy | English, Indian, Scottish |
| Alann | Boy | English, Indian, Scottish |
| Alasdair | Boy | Scottish |
| Alastair | Boy | English, Indian, Scottish |
| Alec | Boy | English, Indian, Scottish |
| Aleck | Boy | English, Indian, Scottish |
| Alison | Unisex | English, French, German, Indian, Scottish, Welsh |
| Alistair | Boy | English, Indian, Scottish |
| Alistaire | Boy | Scottish |
| Alister | Boy | English, Indian, Scottish |
| Allan | Unisex | English, Indian, Scottish |
| Allen | Boy | English, Indian, Scottish |
| Allister | Boy | English, Indian, Scottish |
| Alpin | Boy | English, Indian, Scottish |
| Amhuinn | Boy | Scottish |
| Aneirin | Boy | Scottish, Welsh |
| Angus | Boy | English, Indian, Scottish |
| Aodh | Boy | Scottish |
| Aodhagan | Boy | Scottish |
| Aodhan | Boy | Scottish |
| Aomhar | Boy | Scottish |
| Aonghas | Boy | Scottish |
| Aonghus | Unisex | Scottish |
| Archibald | Unisex | English, German, Indian, Scottish |
| Argyle | Boy | Scottish |
| Artair | Boy | Scottish |
| Athdar | Boy | Scottish |
| Athol | Unisex | Scottish |
| Bac | Boy | Scottish |
| Baen | Boy | Scottish |
| Baigh | Boy | Scottish |
| Bailoch | Boy | Scottish |
| Baird | Boy | Scottish |
| Balfour | Boy | Scottish |
| Ballard | Unisex | English, German, Indian, Scottish |
| Balmoral | Boy | Scottish |
| Banner | Boy | Scottish |
| Barclay | Unisex | English, Indian, Scottish |
| Bartley | Boy | English, Hebrew, Indian, Scottish |
| Baxter | Boy | English, Indian, Scottish |
| Bean | Boy | Scottish |
| Bearnard | Boy | Scottish |
| Beathan | Boy | Scottish |
| Benneit | Boy | Scottish |
| Bhaltair | Boy | Scottish |
| Bhatair | Boy | Scottish |