| Name | Meaning | Gender | Origin |
|---|
| Isabel | concecrated to God | Female | Spanish |
| Isis | throne | Female | Egyptian |
| Ivy | ivy plant, a wine | Female | Plant |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| Jake | From Jacob - To fill the place of another | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jana | Feminine variation of John | Female | Czech |
| Jasmine | Flower
| Female | Persian |
| Jason | the Lord is salvation | Male | Hebrew |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jay | jaybird | Male | Latin |
| Jenna | white shadow, white wave | Female | English |
| Jill | youthful | Female | English |
| John | God is merciful | Male | Hebrew |
| Jolie | French for pretty | Female | |
| Josh | God Saves | Unisex | English |
| Joy | From Joyce - Gay and joyful | Female | Word |
| Julie | Youthful: Jove's child. A feminine of Julian.
| Female | |
| Juliet | youthful | Female | English |
| June | 6Th Month | Female | English |
| Juno | queen of the heavens | Female | Latin |