| Baby Name | Meaning | Gender |
|---|
| Idomeneus | Myth Name (A King Of Crete) | Male |
| Iliana | Variant Of Elena. | Female |
| Inachus | Myth Name (A River God) | Male |
| Indira | Unisexual Name Meaning "Spendid." INDRA | Female |
| Ino | Myth Name (Daughter Of Cadmus) | Female |
| Iobates | Myth Name | Male |
| Iola | Myth Name (Sister Of Iphitus) | Female |
| Iolanthe | Violet | Female |
| Ion | Myth Name (Son Of Apollo) | Male |
| Ione | From The King's Island | Female |
| Iphis | Myth Name (Hanged Himself Over Unrequited Love) | Male |
| Iphitus | Myth Name (Brother Of Iole) | Male |
| Irene | Peace | Female |
| Iris | Rainbow | Female |
| Irus | Myth Name (Challenged Odysseus On His Return To Ithaca) | Male |
| Isadora | Gift Of Isis | Female |
| Isaiah | God's Helper | Male |
| Isaura | Gentle Breeze | Female |
| Isidore | Strong Gift | Male |
| Isis | Myth Name (Goddess Of Magic) | Female |
| Ismene | Myth Name (Daughter Of Oedipus) | Female |
| Isolde | Lover Of Tristan | Female |
| Issa | Swahili Name Meaning "God Is Our Salvation." | Female |
| Iulia | Young | Female |
| Jacob | Supplanter | Male |