| Name | Meaning | Gender | Origin |
|---|
| Hedy | German, war | Female | English |
| Henry | ruler of the home | Male | |
| Ignatius | fiery | Male | Latin |
| Inga | guarded by Ing | Female | Norse |
| Ingrid | Ing's ride | Female | Norse |
| Irene | Peace
| Female | Greek |
| Irina | peace | Female | Russian |
| Irma | universal, complete | Female | |
| Jareth | after Jareth the Goblin King in the movie 'Labyrinth' | Male | Hybrid |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| John | God is merciful | Male | Hebrew |
| Josephina | God Will Increase | Unisex | Latin |
| Josephine | God will increase | Female | |
| Julian | Jove's child. Form of Julius and family clan name of several powerful Roman emperors. Biblical Roman centurion Julius saved Paul's life during a hazardous voyage
| Male | English |
| Justus | Just | Male | Roman |
| Katherine | Pure. Used since third century A.D. Early Latin forms Katerina and Caterina became Katharine and Catherine. French Cateline and English Catlyn came into wider use during medieval period when variants multiplied.
| Female | Greek |
| Kenny | English, born of fire, handsome | Male | English |
| Laura | bay laurel | Female | Latin |
| Leif | heir, descendant | Male | Scandinavian |
| Lennon | small cloak or cape | Male | Irish |
| Libra | scales, balance | Female | Greek |