| Name | Meaning | Gender | Origin |
|---|
| Hope | Hope | Female | English |
| Hyacinth | Hyacinth | Female | Greek |
| Icy | Ice-like | Unisex | English |
| Igloo | Dome shaped Eskimo house made of blocks of snow. | Unisex | English |
| Inspector | | Unisex | Hebrew |
| Istas | Snow on the ground | Female | Native American |
| Ivory | Ivory | Female | English |
| Jami | Supplanter | Female | Hebrew |
| January | First month of the year | Female | English |
| Jarah | One who gives sweetness | Unisex | Hebrew |
| Jazmin | Flower | Female | English |
| Jela | Father suffered during birth of son | Unisex | African |
| Jen | White | Female | Cornish |
| Jeneva | Woman | Female | German |
| Jenifer | White | Female | Cornish |
| Jenna | White | Female | Cornish |
| Jennie | White | Female | Cornish |
| Jennifer | White | Female | Cornish |
| Jenny | White | Female | Cornish |
| Jess | Variant Of Jesse Jehovah Exists. | Unisex | Literary |
| Jester | A fool at medieval courts | Unisex | English |
| Jovita | Delight | Female | Latin |
| Kaitlin | Modern Phonetic Form Of The Irish Name Caitlin From Catherine Meaning Pure. | Female | Gaelic |
| Kaitlyn | Pure | Female | Gaelic |
| Karlyn | Womanly: Strength. Feminine Of Karl. | Female | English |
| Kat | Pure | Female | Greek |
| Katelyn | Pure | Female | Gaelic |
| Katherine | Pure | Female | Greek |
| Kathryn | Pure | Female | Greek |
| Katie | Pure | Female | Greek |