| Name | Gender | Meaning | Favorites |
| Jack | Boy | Godly | |
| Jackson | Boy | Son of jack | |
| Jacob | Boy | One who supplants | |
| Jacqueline | Girl | Feminine of Jack | |
| Jade | Girl | Jewel | |
| Jamison | Boy | James' son | |
| Jane | Girl | God's Gracious Gift | |
| Janessa | Girl | The Lord of gracious | |
| Janet | Girl | Scottish variant of Jane | |
| Jarvis | Boy | Accurate Arrow | |
| Jason | Boy | God is my Saviour | |
| Jasper | Boy | The name of a gemstone, The treasurer | |
| Jeanne | Girl | Form of Joan | |
| Jed | Boy | Beloved of the Lord, Friend of God | |
| Jeff | Boy | Derived from jeffrey | |
| Jefferson | Boy | Son of jeffrey | |
| Jeffery | Boy | Gift of peace | |
| Jeffrey | Boy | Gift of peace | |
| Jenna | Girl | Small bird | |
| Jennelle | Girl | From jenny and nell | |
