| Name | Meaning | Gender | Origin |
|---|
| Iris | rainbow, a play of colours | Female | |
| Isabel | concecrated to God | Female | Spanish |
| Jacky | God Is Gracious | Unisex | English |
| Jada | wise | Female | Spanish |
| Jamie | Feminine of James | Female | Scottish |
| Jane | gracious, merciful, God is gracious | Female | English |
| Janet | Variant of Jane | Female | English |
| Janie | Jehovah Has Been Gracious; Has Shown Favor. Variant Of Joan. | Unisex | English |
| Jeannie | English and Scottish, from French variation of Johanna, God is gracious | Female | English |
| Jenna | white shadow, white wave | Female | English |
| Jennifer | white shadow, white wave | Female | Cornish |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jessamine | Jasmine | Female | French |
| Jessi | God Graciously Watches | Unisex | English |
| Jessica | God's grace | Female | Hebrew |
| Jessie | wealthy | Female | Anglicized |
| Jill | youthful | Female | English |
| Jingles | | Unisex | Hebrew |
| Jo | Variation of Johanna, God is gracious | Female | English |
| Jolie | French for pretty | Female | |
| Jolly | Full of good humor and high spirits. | Unisex | |
| Josephine | God will increase | Female | |
| Josey | God Will Increase | Unisex | English |
| Josh | God Saves | Unisex | English |