| Name | Meaning | Gender | Origin |
|---|
| Helmut | brave protector | Male | |
| Henry | ruler of the home | Male | |
| Herman | man of the army | Male | |
| Homer | promise | Male | Greek |
| Horatio | hour, time | Male | English |
| Howard | guardian of the home, watchman | Male | |
| Howie | Brave Heart, Mind | Unisex | English |
| Hugh | bright in mind and spirit | Male | English |
| Hugo | Intelligent
| Male | Latinized |
| Ian | Form of John | Male | Scottish |
| Isabel | concecrated to God | Female | Spanish |
| Ivan | Form of John | Male | Russian |
| Ivor | yew | Male | Scottish |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jackie | supplanter | Female | English |
| Jacob | The supplanter, held by the heel | Male | Hebrew |
| Jacques | supplanter | Male | |
| 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 |
| Janet | Variant of Jane | Female | English |
| Jarred | Descendant | Unisex | English |
| Jason | the Lord is salvation | Male | Hebrew |