| Name | Meaning | Gender | Origin |
|---|
| Hugh | bright in mind and spirit | Male | English |
| Hugo | Intelligent
| Male | Latinized |
| Hunter | A hunter. One who searches for something | Male | English |
| Hyacinth | after the character in the sitcom Keeping Up Appearances | Female | |
| Ian | Form of John | Male | Scottish |
| Ior | Lord | Unisex | Welsh |
| Isaac | laughing one | Male | Hebrew |
| Ivan | Form of John | Male | Russian |
| Ivory | The hard, smooth, yellowish-white of an elephant's tusk. | Male | Word |
| Jace | Hebrew, the Lord is salvation | Male | Hebrew |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| Jake | From Jacob - To fill the place of another | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jamie | Feminine of James | Female | Scottish |
| Jane | gracious, merciful, God is gracious | Female | English |
| Jason | the Lord is salvation | Male | Hebrew |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Javier | Born in January
| Male | Spanish |
| Jefferson | son of Jeffrey | Male | English |
| Jennifer | white shadow, white wave | Female | Cornish |
| Jesse | wealthy | Male | Hebrew |