| Baby Name | Meaning | Gender |
|---|
| Isi | Choctaw Name Meaning "Deer." ISTAS | Female |
| Isidora | Gifted With Many Ideas | Female |
| Itsaso | Sea | Female |
| Itxaro | Hope | Female |
| Ivan | Gift From God | Male |
| Ivanna | Gift From God | Female |
| Ivette | Variant Of Yvette. | Female |
| Ivonne | Variant Of Yvonne. | Female |
| Izar | Star | Female |
| Izarra | Star | Female |
| Izarre | Star | Female |
| Izazkun | Reference To The Virgin Mary | Female |
| Jacinta | Beautiful | Female |
| Jackson | Son Of Jack | Male |
| Jacobo | Supplanter. | Male |
| Jade | Jewel. Courageous And Adoring. | Female |
| Jaime | Pet Form Of James Used As A Woman's Name. | Female |
| Jaione | Reference To The Nativity | Female |
| Jairo | Variant Of The Hebrew Jairus Jehovah Enlightens. | Male |
| Jakinda | Hyacinth | Female |
| James | Replace | Male |
| Jasone | Assumption | Female |
| Javier | Bright. Variant Of Xavier. | Male |
| Javiera | Owns A New House | Female |
| Javiero | Born In January | Male |