| Name | Meaning | Gender | Origin |
|---|
| Ivy | ivy plant, a wine | Female | Plant |
| Jack Frost | | Unisex | Hebrew |
| Jeanette | French variation of Jean, God is gracious | Female | |
| Jemima | dove | Female | Hebrew |
| Jessica | God's grace | Female | Hebrew |
| Jingle | | Unisex | Hebrew |
| Jingles | | Unisex | Hebrew |
| Joanna | after the character in The Rescuers Down Under cartoon | Female | English |
| Jolly | Full of good humor and high spirits. | Unisex | |
| Josephine | God will increase | Female | |
| Joy | From Joyce - Gay and joyful | Female | Word |
| Juniper | Juniper Tree | Female | English |
| Karen | pure | Female | Danish |
| Killer | | Unisex | |
| Kringle | | Unisex | |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Lenora | Italian diminutive of Eleonora or Eleanor, meaning unknown | Female | English |
| Lips | | Unisex | |
| Love | loved one | Female | Word |
| Lucia | Light | Female | Italian |
| Lucy | light: illumination.
| Female | English |
| Lux | latin for light | Female | Latin |
| Magi | | Unisex | Hebrew |
| Margo | Pearl | Female | English |
| Maria | bitter | Female | Latin |