| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 261 | Lynette | ArthurianLegend | Sister of Lyonors. Variant of ancient Welsh given name. In Arthurian legend Lynette accompanied Sir Gareth on a knightly quest. | F | |
| 262 | Lynley | ArthurianLegend | Abbreviation of Lynnette who accompanied Sir Gareth on a knightly quest in Arthurian legend; variant of the Irish Gaelic word 'lann' meaning house; church. | F | |
| 263 | Lynna | ArthurianLegend | Abbreviation of Lynnette who accompanied Sir Gareth on a knightly quest in Arthurian legend; variant of the Irish Gaelic word 'lann' meaning house; church. | F | |
| 264 | Lynne | ArthurianLegend | Abbreviation of Lynnette who accompanied Sir Gareth on a knightly quest in Arthurian legend; variant of the Irish Gaelic word 'lann' meaning house; church. | F | |
| 265 | Lynnet | ArthurianLegend | Variant of ancient Welsh given name. In Arthurian legend Lynette accompanied Sir Gareth on a knightly quest. | F | |
| 266 | Lynnette | ArthurianLegend | Variant of ancient Welsh given name. In Arthurian legend Lynette accompanied Sir Gareth on a knightly quest. | F | |
| 267 | Lyones | ArthurianLegend | Wife of Gareth. | F | |
| 268 | Lyonesse | ArthurianLegend | Wife of Gareth. | F | |
| 269 | Lyonet | ArthurianLegend | Sister of Lyones. | F | |
| 270 | Lyonors | ArthurianLegend | Mother of Boore. | F | |
| 271 | Lysanor | ArthurianLegend | Mother of Boore. | F | |
| 272 | Mabon | ArthurianLegend | A knight. | M | |
| 273 | Mabonaqain | ArthurianLegend | A knight. | M | |
| 274 | Mabuz | ArthurianLegend | Ruler of Death Castle. | M | |
| 275 | Mador | ArthurianLegend | Accuser of Guinevere. | M | |
| 276 | Maheloas | ArthurianLegend | Lord of the Isle of Glass. | M | |
| 277 | Maldue | ArthurianLegend | A wizard. | M | |
| 278 | Margawse | ArthurianLegend | Mother of Gawain. | F | |
| 279 | Mariadok | ArthurianLegend | King Mark's servant. | M | |
| 280 | Mark | ArthurianLegend | Tristan's uncIe. | M | |