| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 161 | Leitis | Gaelic | Happy. | F | |
| 162 | Lesley | Gaelic | From the gray fortress. | F | |
| 163 | Leslie | Gaelic | From the gray fortress. | F | |
| 164 | Liusaidh | Gaelic | Warrior. | F | |
| 165 | Mairearad | Gaelic | Pearl. | F | |
| 166 | Mairghread | Gaelic | Pearl. | F | |
| 167 | Mairi | Gaelic | Bitter. | F | |
| 168 | Malvina | Gaelic | Smooth brow. | F | |
| 169 | Maolmin | Gaelic | Polished chief. | F | |
| 170 | Marsali | Gaelic | Pearl. | F | |
| 171 | Meegan | Gaelic | Soft; gentle. | F | |
| 172 | Melvina | Gaelic | Variant of Malvina: Smooth brow. | F | |
| 173 | Mildread | Gaelic | Gaelic form of Mildred. | F | |
| 174 | Min | Gaelic | Smooth; fine; small. | F | |
| 175 | Moibeal | Gaelic | Gaelic form of Mabel. | F | |
| 176 | Mor | Gaelic | Bitter. | F | |
| 177 | Morag | Gaelic | Great; sun. | F | |
| 178 | Morna | Gaelic | Beloved. | F | |
| 179 | Muadhnait | Gaelic | Noble. | F | |
| 180 | Muireall | Gaelic | Bitter. | F | |