| Livingston | Man | Scottish Names |
| Lochellen | Woman | Scottish Names |
| Logan | Unisex | Scottish Names |
| Lorna | Woman | Scottish Names |
| Lowry | Man | Scottish Names |
| Mac | Man | Scottish Names |
| Macall | Unisex | Scottish Names |
| Macaulay | Unisex | Scottish Names |
| Macbeth | Man | Scottish Names |
| Maccaulay | Unisex | Scottish Names |
| MacDonald | Man | Scottish Names |
| Mackenzie | Unisex | Scottish Names |
| Maclean | Unisex | Scottish Names |
| Macrae | Unisex | Scottish Names |
| Mairi | Woman | Scottish Names |
| Malcolm | Man | Scottish Names |
| Malise | Unisex | Scottish Names |
| Malvina | Woman | Scottish Names |
| Manus | Man | Scottish Names |
| Marnie | Woman | Scottish Names |