| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1641 | Piroska | Latin | Archaic. | F | |
| 1642 | Placida | Latin | Tranquil. | F | |
| 1643 | Pladdia | Latin | Tranquil. | F | |
| 1644 | Polemusa | Latin | An Amazon. | F | |
| 1645 | Polyxena | Latin | Daughter of Priam. | F | |
| 1646 | Pomona | Latin | Fertile. | F | |
| 1647 | Pomonia | Latin | Fertile. | F | |
| 1648 | Pompeia | Latin | From pompey. | F | |
| 1649 | Poppy | Latin | Flower. | F | |
| 1650 | Portia | Latin | An offering. Portia was a heroine in Shakespeare's 'The Merchant of Venice'. | F | |
| 1651 | Potina | Latin | Blesses the food of children. | F | |
| 1652 | Praenestins | Latin | Fortuna's surname. | F | |
| 1653 | Predentia | Latin | Prudent. | F | |
| 1654 | Prima | Latin | Firstborn. | F | |
| 1655 | Primalia | Latin | Firstborn. | F | |
| 1656 | Primavera | Latin | Born at the beginning of spring. | F | |
| 1657 | Primrose | Latin | First rose. | F | |
| 1658 | Prisca | Latin | Archaic. | F | |
| 1659 | Priscilla | Latin | Ancient; archaic. | F | |
| 1660 | Prisy | Latin | Diminutive of Priscilla: Ancient; archaic. Daughter of Laomedon. | F | |