| Name | Meaning | Gender | Origin |
|---|
| Irene | Peace | Female | Greek |
| Iris | Rainbow | Female | Greek |
| Ivory | Ivory | Female | English |
| Ivy | Ivy | Female | English |
| Jackie | God Has Been Gracious: Has Shown Favor. Based On John Or Jacques. Used More For Girls Than Boys. | Female | English |
| Jade | Precious green stone | Female | English |
| Jamie | Supplanter | Unisex | Hebrew |
| Jazmine | Jasmine | Female | Persian |
| Jela | Father suffered during birth of son | Unisex | African |
| Jennifer | White | Female | Cornish |
| Jenny | White | Female | Cornish |
| Jocasta | Myth Name (A Queen Of Thebes) | Female | Greek |
| Jocelyn | Tribal name of the Gauts | Female | French |
| Julia | Down-bearded youth | Female | Latin |
| Juliet | Down-bearded youth | Female | Latin |
| Kat | Pure | Female | Greek |
| Kate | Pure | Female | Greek |
| Kaycee | Modern Kacie And Variants Are Phonetic Forms Of The Initials K.C. Or Variants Of The Irish Name Casey Alert: Vigorous. | Unisex | English |
| Kellie | War | Female | Gaelic |
| Kimberly | Variable prefix + forest clearing | Unisex | English |
| Lee | Clearing, meadow | Female | English |
| Lena | The bright one | Female | Greek |
| Lexi | Defending men | Female | Greek |
| Lillian | My God is a vow | Female | Hebrew |
| Lilliana | Lilies | Female | Latin |
| Lily | Lily | Female | English |
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic |
| Locke | A locksmith | Female | English |
| Luna | Moon | Female | Latin |
| Lyric | Lyric | Unisex | English |