| Baby Name | Meaning | Gender |
|---|
| Irwin | Sea Lover | Male |
| Irwyn | Sea Friend | Male |
| Isis | Myth Name (Goddess Of Magic) | Female |
| Istas | Snow | Female |
| Itsaso | Sea | Female |
| Jack | Replace (Derivative Of James) | Male |
| Jacques | French Form Of Jacob (Supplanter) | Male |
| Jade | Jewel. Courageous And Adoring. | Female |
| Jafar | Rivulet | Male |
| Jared | Descending | Male |
| Jarek | January | Male |
| Jarina | Farmer | Female |
| Jarita | Myth Name (A Bird) | Female |
| Jaroslav | Myth Name | Male |
| Jarred | Variant Of The French Name Gervaise Spearman. | Male |
| Jarrod | Spear Strong. Variant And Surname Form Of Garrett From Gerald. | Male |
| Jarvi | Surname Meaning "Lake" | Male |
| Jenilynn | Variation Of Jenny Which Is A Diminutive Of Jane And Jennifer. | Male |
| Jennifer | White Wave | Female |
| Jenny | Diminutive Of Jane And Jennifer. | Female |
| Jennyfer | White Wave | Female |
| Jennyver | White Wave | Female |
| Jerad | Variant Of Garrett Rules By The Spear. | Male |
| Jiang Li | River Beautiful | Female |
| Jimiyu | Luhya Of Kenya Name Meaning "Born During The Dry Season." | Male |