| Baby Name | Meaning | Gender |
|---|
| Jolie | Cheerful: Pretty. | Female |
| Joy | Jewel: Rejoicing. | Female |
| Joyce | Cheerful: Merry. | Female |
| Joyceanne | Cheerful: Merry. | Female |
| Joycelyn | Cheerful: Merry. | Female |
| Joycelynn | Cheerful: Merry. | Female |
| Jubal | The Ram. Inventor Of The Harp And Pipes And Founder Of Music Making. | Male |
| Kaemon | Joyful; Righthanded; Old Samurai Name | Male |
| Karcsi | Joyful Song | Female |
| Kari | Joyful Song | Female |
| Karoly | Strong And Masculine | Male |
| Kay | Elder Sister (Hopi) | Female |
| Kayleigh | Warrior | Female |
| Keiko | Adored One | Female |
| Keli | Lively Or Aggressive. Alternate Spelling: Kelly. | Female |
| Jenevieve | Modern Phonetic Variant Of Genevieve. | Female |
| Lacy | Derived From Lacey Which Is A French Nobleman's Surname Brought To British Isles After Norman Conquest. | Female |
| Laetitia | Irish Form Of Letitia Happy | Female |
| Lakeisha | Lakeisha And Its Variants Are Rhyming Forms Of Leticia. Joyful: Happy. | Female |
| Lakesha | Lakeisha And Its Variants Are Rhyming Forms Of Leticia. Joyful: Happy. | Female |
| Lakiesha | Lakeisha And Its Variants Are Rhyming Forms Of Leticia. Joyful: Happy. | Female |
| Lakisha | Lakeisha And Its Variants Are Rhyming Forms Of Leticia. Joyful: Happy. | Female |
| Lanie | Path: Roadway. Variant Of Surnames Lane And Laine. | Female |
| Laquisha | Lakeisha And Its Variants Are Rhyming Forms Of Leticia. Joyful: Happy. | Female |
| Lara | Protection. Popular Surname And Place Name. | Female |