| Name | Meaning | Gender | Origin |
|---|
| Harold | Army commander.
| Male | Scandinavian |
| Harold | Army commander.
| Male | Scandinavian |
| Harrington | family farm | Male | English |
| Harrison | Son of Harry Surname.
| Male | English |
| Harry | estate ruler | Male | English |
| Harry | estate ruler | Male | English |
| Harvey | as in The Pooka | Male | |
| Henry | ruler of the home | Male | |
| Herbert | famous army | Male | |
| Herman | man of the army | Male | |
| Honcho | | Unisex | Hebrew |
| Horace | timekeeper | Male | Latin |
| Howard | guardian of the home, watchman | Male | |
| Hugh | bright in mind and spirit | Male | English |
| Hugo | Intelligent
| Male | Latinized |
| Ian | Form of John | Male | Scottish |
| Igor | Scottish variation of Welsh Ifor, lord or English form of Scandinavian Ifar, yew | Male | Russian |
| Ira | watchful, descendant | Male | Hebrew |
| Irving | handsome, fair | Male | Scottish |
| Irwin | boar friend | Male | English |
| Isaac | laughing one | Male | Hebrew |
| Ivan | Form of John | Male | Russian |
| 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 |