| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 1621 | Jovi | Latin | Form of Jovan 'Father of the sky.'. | M | |
| 1622 | Jovin | Latin | Form of Jovan 'Father of the sky.'. | M | |
| 1623 | Jovito | Latin | Form of Jovan 'Father of the sky.'. | M | |
| 1624 | Jovon | Latin | Form of Jovan 'Father of the sky.'. | M | |
| 1625 | Joy | Latin | Happy. | F | |
| 1626 | Joyce | Latin | Happy. | F | |
| 1627 | Joyceanne | Latin | Cheerful; merry. | F | |
| 1628 | Joyceanne | Latin | Cheerful; merry. | M | |
| 1629 | Joycelyn | Latin | Cheerful; merry. | F | |
| 1630 | Jude | Latin | Young. | F | |
| 1631 | Judith | Latin | Young. | F | |
| 1632 | Juga | Latin | Goddess of marriage. | F | |
| 1633 | Jugalis | Latin | Goddess of marriage. | F | |
| 1634 | Julen | Latin | Youthful. | M | |
| 1635 | Julene | Latin | Young. | F | |
| 1636 | Jules | Latin | Youthful. | M | |
| 1637 | Julesa | Latin | Young. | F | |
| 1638 | Juli | Latin | Young. | F | |
| 1639 | Julia | Latin | Young. The feminine form of Julius. A character in Shakespeare's play 'Two Gentlemen of Verona'. | F | |
| 1640 | Julian | Latin | Youthful. Jove's child. From Latin 'Julianus'. Form of Julius and family clan name of several powerful Roman emperors. In the Middle Ages, the name Julian was used for children of either gender, but is now used as a boy's name. | M | |