| Name | Meaning | Gender | Origin |
|---|
| Irwin | boar friend | Male | English |
| Isaac | laughing one | Male | Hebrew |
| Isabell | Committed to God.
| Female | |
| Isaiah | salvation of the Lord | Male | Hebrew |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jay | jaybird | Male | Latin |
| Jean | God is gracious | Male | |
| Jerzy | farmer | Male | Polish |
| Jessamine | Jasmine | Female | French |
| Joaquin | Abbreviation of the Hebrew name Jehoichin meaning Jehovah has established. Joaquin Miller the colorful 19th century poet-adventurer of the American west.
| Male | Spanish |
| Joel | God is willing, Jehova is the Lord | Male | Hebrew |
| John | God is merciful | Male | Hebrew |
| Jonathan | God gives | Male | Hebrew |
| Joseph | God will increase | Male | Hebrew |
| Jules | youthful; soft, downy | Male | |
| Julia | Youthful
| Female | Latin |
| Ken | Male Barbie Doll. | Male | English |
| Kingsley | Residence Name | Male | English |
| Kipling | after Rudyard Kipling, writer | Unisex | |
| Kirkwood | From The Church's Forest | Unisex | English |
| Langston | Town Of The Giant | Male | English |
| Laura | bay laurel | Female | Latin |
| Lawson | son of Lawrence | Male | English |
| Lee | Healer
| Male | English |
| Leila | dark as the night | Female | Persian |