| Name | Meaning | Gender | Origin |
|---|
| Jameson | son of James | Male | English |
| Jane | gracious, merciful, God is gracious | Female | English |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jeanette | French variation of Jean, God is gracious | Female | |
| Jefferson | son of Jeffrey | Male | English |
| Jemima | dove | Female | Hebrew |
| Jeremiah | Exalted of the Lord
| Male | Hebrew |
| Jeremy | God will uplift, appointed by God | Male | English |
| Jessica | God's grace | Female | Hebrew |
| Joel | God is willing, Jehova is the Lord | Male | Hebrew |
| John | God is merciful | Male | Hebrew |
| Jonah | Dove. In the bible Jonah was on board a ship God caused to sink: sailors traditionally use the name Jonah to personify someone who brings bad luck.
| Male | Hebrew |
| Jonathan | God gives | Male | Hebrew |
| Joseph | God will increase | Male | Hebrew |
| Josephine | God will increase | Female | |
| Jules | youthful; soft, downy | Male | |
| Julia | Youthful
| Female | Latin |
| Julian | Jove's child. Form of Julius and family clan name of several powerful Roman emperors. Biblical Roman centurion Julius saved Paul's life during a hazardous voyage
| Male | English |
| Juliette | youthful | Female | |
| Julius | after Julius Caesar | Male | Latin |
| Juno | queen of the heavens | Female | Latin |
| Justine | just, true | Female | |
| Katherine | Pure. Used since third century A.D. Early Latin forms Katerina and Caterina became Katharine and Catherine. French Cateline and English Catlyn came into wider use during medieval period when variants multiplied.
| Female | Greek |