| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 61 | Iblis | ArthurianLegend | Wife of Lancelot. | F | |
| 62 | Igerne | ArthurianLegend | Mother of Arthur. | F | |
| 63 | Igraine | ArthurianLegend | Mother of Arthur. | F | |
| 64 | Igrayne | ArthurianLegend | In Arthurian legend Igrayne is mother of Arthur. | F | |
| 65 | Isolde | ArthurianLegend | Lover of Tristan. | F | |
| 66 | Isoud | ArthurianLegend | Lover of Tristan. | F | |
| 67 | Isoude | ArthurianLegend | Lover of Tristan. | F | |
| 68 | Jenifer | ArthurianLegend | Variant of Guinevere: Fair one. Guinevere was King Arthur's mythological queen. | F | |
| 69 | Jennifer | ArthurianLegend | Variant of Guinevere: Fair one. Guinevere was King Arthur's mythological queen. | F | |
| 70 | Kay | ArthurianLegend | Keeper of the keys. Also an abbreviation of Katherine: Pure. Sir Kay was one of King Arthur's knights. | F | |
| 71 | Laudine | ArthurianLegend | A widow. | F | |
| 72 | Lausanne | ArthurianLegend | Lake Geneva. | F | |
| 73 | Lidoine | ArthurianLegend | Daughter of Cavalon. | F | |
| 74 | Llamrei | ArthurianLegend | Arthur's horse. | F | |
| 75 | Luned | ArthurianLegend | Servant of Laudine. | F | |
| 76 | Lunet | ArthurianLegend | Servant of Laudine. | F | |
| 77 | Lunete | ArthurianLegend | Servant of Laudine. | F | |
| 78 | Lynelle | ArthurianLegend | Variant of Lynette, who accompanied Sir Gareth on a knightly quest. | F | |
| 79 | Lynessa | ArthurianLegend | Variant of ancient Welsh given name. In Arthurian legend Lynette accompanied Sir Gareth on a knightly quest. | F | |
| 80 | Lynet | ArthurianLegend | Sister of Lyonors. | F | |