| Name | Meaning | Gender | Origin |
|---|
| Ida | prosperous | Female | |
| Idgie | | Unisex | Hebrew |
| Ignatius | fiery | Male | Latin |
| India | Of India | Female | English |
| Iona | flower name, purple jewel | Female | Scottish |
| Iris | rainbow, a play of colours | Female | |
| Irving | handsome, fair | Male | Scottish |
| Isabella | pledged to God | Female | Spanish |
| Iverson | | Unisex | Hebrew |
| Ivory | The hard, smooth, yellowish-white of an elephant's tusk. | Male | Word |
| Ivy | ivy plant, a wine | Female | Plant |
| Jace | Hebrew, the Lord is salvation | Male | Hebrew |
| Jackson | Son of Jack | Male | English |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jed | the hand | Male | English |
| Jefferson | son of Jeffrey | Male | English |
| Jeremiah | Exalted of the Lord
| Male | Hebrew |
| Jessie | wealthy | Female | Anglicized |
| Joellen | Jehovah is God. Feminine of Joel.
| Female | |
| John | God is merciful | Male | Hebrew |
| Jorie | God will uplift
| Female | English |