| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Iafeth | - | Biblical Latin | ||
| Iahel | - | Biblical Latin | ||
| Iair | - | Biblical Latin, Biblical Greek | ||
| Iairos | - | Biblical Greek | ||
| Iairus | - | Biblical Latin | ||
| Iakobos | - | Biblical Greek | ||
| Iapheth | - | Biblical Greek | ||
| Iared | - | Biblical Latin, Biblical Greek | ||
| Iason | - | Greek Mythology, Ancient Greek, Greek, Biblical Greek, Biblical Latin | ||
| Ichabod | IK-ə-bahd (English) | Biblical | ||
| Idida | - | Biblical Latin | ||
| Iedida | - | Biblical Greek | ||
| Iephthae | - | Biblical Greek | ||
| Iepthae | - | Biblical Latin | ||
| Ieremias | - | Biblical Greek |