| Name | Meaning | Gender | Origin |
|---|
| Oliver | The olive tree. The biblical olive tree symbolizes fruitfulness and beauty and dignity. Extending an olive branch signifies an offer of peace.
| Male | Latin |
| Olivia | Olive
| Female | Latin |
| Oscar | God's spear.
| Male | English |
| Pamela | honeyed | Female | English |
| Patrick | Patrician: noble. Romans society was divided into plebeians: (commoners) and patricians: (aristocrats). Saint Patrick - patron saint of Ireland.
| Male | Latin |
| Paul | small | Male | Latin |
| Peter | A rock. Peter the biblical fisherman and apostle had impulsive nature and rocklike faith. In Catholic tradition he is the first pope.
| Male | Greek |
| Philip | horse lover | Male | Greek |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Portia | pig, hog or doorway | Female | Latin |
| Priscilla | Of ancient lineage | Female | Latin |
| Quentin | Fifth.
| Male | Latin |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Rachel | from the TV sitcom Friends | Female | Hebrew |
| Rebecca | bound, tied | Female | Hebrew |
| Regina | Queen
| Female | Latin |
| Richard | powerful ruler; brave one | Male | |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Rosalie | rose | Female | |
| Rose | Flower
| Female | Latin |
| Roy | regal one, Red haired | Male | |
| Russell | Red as a fox. | Male | |
| Ruth | compassionate friend | Female | Hebrew |
| Sabrina | Legendary princess
| Female | Celtic |