| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 741 | Irini | Greek | Peace. | F | |
| 742 | Irinia | Greek | Peace. | F | |
| 743 | Iris | Greek | Rainbow goddess of Greek mythology who used rainbows as a bridge to carry messages from the gods to mankind. Iris is also a flower name. | F | |
| 744 | Irisa | Greek | Rainbow. | F | |
| 745 | Irta | Greek | Pearl. | F | |
| 746 | Iryna | Greek | Peace. | F | |
| 747 | Irynia | Greek | Peace. | F | |
| 748 | Isadora | Greek | Gift of Isis (this name is Greek even though Isis is an Egyptian deity). Feminine variant of Isidore. Famous Bearer: Dancer Isadora Duncan (1878-1927). | F | |
| 749 | Isadore | Greek | Gift of Isis. | F | |
| 750 | Isahel | Greek | Variant of Elizabeth: From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. | F | |
| 751 | Isahella | Greek | Variant of Elizabeth: From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. | F | |
| 752 | Isahelle | Greek | Variant of Elizabeth: From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. | F | |
| 753 | Isaura | Greek | Gentle breeze. | F | |
| 754 | Isaure | Greek | Gentle breeze. | F | |
| 755 | Isidora | Greek | Variant of Isadora: Gift of Isis (this name is Greek even though Isis is an Egyptian deity). | F | |
| 756 | Ismene | Greek | Daughter of Oedipus. | F | |
| 757 | Ismini | Greek | Daughter of Oedipus. | F | |
| 758 | Isohel | Greek | Variant of Elizabeth: From the Hebrew Elisheba, meaning either oath of God, or God is satisfaction. | F | |
| 759 | Ivanna | Greek | Gift of the gods. | F | |
| 760 | Ivy | Greek | Ivy. | F | |