| Gender | Baby Name | Meaning |
|---|---|---|
 | Iren | Peace |
| Irena | Peace |
| Irene | Peace |
| Irina | |
| Irina | Peace |
| Iris | Colorful, Rainbow |
| Irka | Peace |
| Irma | Entire, whole |
| Iryna | Peace |
| Isabeau | God is my Oath |
| Isabel | God is my Oath |
| Isabella | God is my Oath |
| Isabelle | God is my Oath |
| Isadora | Gift of Isis |
| Isaura | From the land of Isauria |
| Ishiko | Little stone |
| Isla | Island |
| Isleen | Dream, vision |
| Ismaela | God will hear |
| Ismene | Knowledgeable |
| Isolde | Fair lady |
| Itzel | Tree |
| Ivana | God is gracious |
 | Ives | Land of Heroes |
| Ivy | Climbing Vine Plant |
| Ize | Sun |
| Izzy | God is My Oath |
| Jacinta | Hyacinth |
| Jackie | Supplanter |
| Jaclyn | Supplanter |
