| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| MÁEl Coluim | - | Scottish | ||
| MÀIri | MA:-ree | Scottish | ||
| MÌCheal | - | Scottish | ||
| MÓR | MOR | Scottish, Irish | ||
| Mac Beatha | - | Medieval Scottish | ||
| Maighread | - | Scottish | ||
| Mairead | - | Scottish | ||
| Maisie | MAY-zee | Scottish | ||
| Malcolm | MAL-kəm | Scottish, English | ||
| Malina (1) | - | Scottish | ||
| Malvina | - | Scottish, English, Literature | ||
| Maoilios | - | Scottish | ||
| Marcas | - | Irish, Scottish | ||
| Marsaili | - | Scottish | ||
| Maura (2) | MAWR-ə | Irish, Scottish, English |