| Name | Meaning | Gender | Origin |
|---|
| Jason | the Lord is salvation | Male | Hebrew |
| Jay | jaybird | Male | Latin |
| Jean | God is gracious | Male | |
| Jeanette | French variation of Jean, God is gracious | Female | |
| Jeffrey | pledge of peace | Male | Spelling |
| Jennie | English, God's gracious gift | Female | English |
| Jennifer | white shadow, white wave | Female | Cornish |
| Jerome | sacred name | Male | Greek |
| Jerry | after Jerry Garcia, The Grateful Dead | Male | English |
| Jesse | wealthy | Male | Hebrew |
| Jessie | wealthy | Female | Anglicized |
| Jim | supplanter | Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| Joe | Abbreviation of Joseph.
| Male | English |
| John | God is merciful | Male | Hebrew |
| Johnnie | Modern feminine of John and Jon.
| Male | English |
| Jose | Jehovah increases | Male | Spanish |
| Joseph | God will increase | Male | Hebrew |
| Josephine | God will increase | Female | |
| Judy | Hebrew, He will be praised, woman from Judea | Female | English |
| Julia | Youthful
| Female | Latin |
| Julie | Youthful: Jove's child. A feminine of Julian.
| Female | |
| Julius | after Julius Caesar | Male | Latin |
| June | 6Th Month | Female | English |
| Karen | pure | Female | Danish |