| Modern Name | Original (Mawer) | Meaning (Mawer) | Notes | OS Zone | OS Ref |
|---|---|---|---|---|---|
| Pelaw | Peles hoh | Pel's heel | NZ | 292623 | |
| Penshaw | ? | Unknown | NZ | 327535 | |
| Pigdon | pic dun | conical (pointed) hill | NZ | 155882 | |
| Plenmeller | ? | A Celtic name | NY | 714631 | |
| Poltross Burn | ? | A Celtic river-name | NY | 620644 | |
| Ponteland | Panta ealand | island formed by the R Pont | NZ | 163728 | |
| Prendwick | Prendes wic | dwelling of Prende | NU | 001122 | |
| Preston | preoste tun | priest farm | NU | 185255 | |
| Prestwick | preost wic | priest dwelling | NZ | 184724 | |
| Prudhoe | Prudan hoh | Pruda's heel | NZ | 097628 |