| Irit | - | Aramaic Name | Iriwhiro | - | Maori Name |
| Irja | - | Hindu Name | Irma | - | German Name |
| Irma | - | Swiss Name | Irmak | - | Turkish Name |
| Irmgard | - | Teutonic Name | Irmigard | - | Teutonic Name |
| Irmina | - | Basque Name | Irmyn | - | Teutonic Name |
| Irniqta | - | Eskimo Name | Iroda | - | Assyrian Name |
| Irqaana | - | Eskimo Name | Irsa | - | Muslim Name |
| Irshna | - | Hindu Name | Irum | - | Muslim Name |
| Irune | - | Basque Name | Iryna | - | Ukrainian Name |
| Iryne | - | Ukrainian Name | Irynka | - | Ukrainian Name |
| Irynychka | - | Ukrainian Name | Irziye | - | Turkish Name |
| Isa | - | Chamoru Name | Isabeau | - | French Name |
| Isabel | - | Spanish Name | Isabela | - | Spanish Name |
| Isabela | - | Portuguese Name | Isabell | - | Hebrew Name |
| Isabella | - | Italian Name | Isabelle | - | French Name |
| Isadora | - | Greek Name |
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