| Name | Meaning | Gender | Origin |
|---|
| Jack | From John - God's gracious gift | Male | English |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jackson | Son of Jack | Male | English |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jeremy | God will uplift, appointed by God | Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Jonas | Dove. Variant of Hebrew Jonah.
| Male | Greek |
| Josephine | God will increase | Female | |
| Josie | From Josephine - She shall add. | Female | English |
| Julia | Youthful
| Female | Latin |
| 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 |
| Juliet | youthful | Female | English |
| Kate | Pure | Female | English |
| Keith | wood, wind; wood-dweller | Male | Scottish |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Kitty | Variant of Katherine. Pure.
| Female | English |
| Lance | knight's attendant; land | Male | English |
| Laura | bay laurel | Female | Latin |
| Leila | dark as the night | Female | Persian |
| Leland | from the meadow land | Male | English |