Pabu - Padan - Paden - Padern - Padraic - Padraig - Padrig - Padruig - Padyn - Paetus - Paol - Parlan - Parry - Parthalan - Partholon - Pasco - Pascow - Pasgen - Paskal - Patendinus - Patern - Paton - Patraic - Patric - Patricius - Patrick - Patrig - Paul - Pawl - Pawly - Payl - Peadair - Peddyr - Peder - Pedr - Pedran - Pedrek - Pedrog - Pembroke - Pencast - Pennar - Penrose - Per - Peran - Percival - Peredur - Perig - Perran - Perseval - Pert - Perth - Pesrut - Peter - Petran - Petrock - Pever - Phelan - Phinean - Phinian - Piaras - Pierce - Pierrick - Pipi - Piran - Pirran - Pisear - Ploudaniel - Pol - Polig - Poss - Potitus - Potomarus - Powell - Prasutagus - Price - Pridfirth - Prijent - Primael - Primel - Privael - Privel - Pryderi - Prys - Pwyll