| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 161 | Heulwen | Welsh | Sunshine. | F | |
| 162 | Idella | Welsh | Bountiful. | F | |
| 163 | Indeg | Welsh | Legendary daughter of GanKy. | F | |
| 164 | Iola | Welsh | Valued by the Lord. Feminine form of Iolo: Diminutive of Iorwerth. | F | |
| 165 | Isolda | Welsh | Beautiful. Fair. | F | |
| 166 | Isolde | Welsh | Variant of Isolda: Beautiful. Fair. | F | |
| 167 | Jennifer | Welsh | Fair one. Variant of Guinevere. In Arthurian Mythology Guinevere was Arthur's queen. | F | |
| 168 | Jestina | Welsh | Just; upright. Feminine of Justin. | F | |
| 169 | Jestine | Welsh | Just; upright. Feminine of Justin. | F | |
| 170 | Kelemon | Welsh | Legendary daughter of Kei. | F | |
| 171 | Kigva | Welsh | Legendary wife of partholon's son. | F | |
| 172 | Lilybet | Welsh | God's promise. | F | |
| 173 | Linette | Welsh | Variant of ancient Welsh given name Eluned: From 'cilun' meaning idol. | F | |
| 174 | Linnet | Welsh | Variant of ancient Welsh given name Eluned: From 'cilun' meaning idol. | F | |
| 175 | Llinos | Welsh | Linnet. | F | |
| 176 | Lowri | Welsh | Welsh form of Laura, meaning laurel. | F | |
| 177 | Lynelle | Welsh | Variant of ancient Welsh given name Eluned: From 'cilun' meaning idol. | F | |
| 178 | Lynessa | Welsh | Variant of ancient Welsh given name Eluned: From 'cilun' meaning idol. | F | |
| 179 | Lynette | Welsh | Variant of ancient Welsh given name Eluned: From 'cilun' meaning idol. | F | |
| 180 | Lynnet | Welsh | Variant of ancient Welsh given name Eluned: From 'cilun' meaning idol. | F | |