| Paul | Paulson | Pavese | Pavey | Pawls | Payne | Peabody |
| Peacock | Peade | Peal | Pearce | Pearse | Pearson | Pease |
| Pechin | Peck | Peckham | Pedden | Peden | Peed | Peel |
| Peelman | Peeples | Peid | Pelan | Pelham | Pell | Pellam |
| Pelling | Pelot | Pelote | Pelott | Pelum | Pemberton | Pemberton, |
| Pence | Pendarvis | Pender | Pendleton | Pendry | Penelton | Penelton |
| | (Pennington) |
| Pennington | Penny | Pent | Penteof | Peoples | Pepper | Perfino |
| Perin | Perine | Perirs | Perkins | Permenter | Perritt | Perry |
| Persinger | Pertick | Pervis | Pescott | Pesete | Petars | Peters |
| Peterson | Petessen | Pettee | Pettigrew | Pettis | Pettit | Petty |
| Petzold | Pevatt | Pfeiffer | Pfost | Pharis | Phelon | Phelps |
| Philippee | Philips | Phillippe | Phillippi | Phillips | Phillis | Phipps |
| Phyles | Pickens | Picket | Pickett | Pierce | Pierce (Pearce) | Pierpont |
| Pierre | Piety | Pihajlich | PiIles | Pike | Piles | Pillichody |
| Pillsbury | Pinchard | Pinckney | Pinkney | Pinkston | Pipkin | Pipps |
| Pisscer | Pissur | Pitman | Pitt | Pittman | Pitts | Pixton |
| Pizzo | Plant | Platt | Pletzko | Plowden | Plumby | Plumer |
| Plumly | Plyant | Plylant | Pocahuntas | Pohlman | Points | Polhill |
| Polk | Pollack | Pollard | Pollock | Ponchier | Poncier | Pool |
| Poole | PoOllard | Poos | Pooser | Pope | Popell | Poppell |
| Porter | Porterfield | Posey | Posner | Post | Potter | Potts |
| Poucher | Poule | Powel | Powell | Powers | Powlege | Pozy |
| Prang | Pratt | Prentice | Prescoat | Prescott | Pressel | Pressley |
| Preston | Pretz | Prevat | Prevatt | Prey | Price | Prichard |
| Pride | Pridgen | Priest | Prigdin | Prime | Prince | Prine |
| Pringle | Prinjet | Prior | Pritchard | Pritchett | Private | Probasco |
| Proctor | Proseus | Prosper | Protebuff | Prott | Proveaux | Prudence |
| Pryor | Psitell | Pugh | Puig | Pullen | Purbis | Purdue |
| Purdy | Purifoy | Purney | Pursely | Pursley | Purvis | Putnam |
| Putney | Pwell | Pyform | Pylant | Pyle | Pyles | Pymberton |
| Quarterman | Quednau | Quick | Quillian | Quinlan | Quinn | Rabbit |
| Raby | Rackliff | Rader | Radford | Ragan | Raglin | Raiford |
| Raimondo | Rainey | Rainfro | Rainwater | Raley | Ramey | Ramsey |
| Ramsy | Randal | Randall | Randel | Raney | Rankin | Ransom |
| Ransome | Rasch | Rasmusen | Rasmussen | Ratliff | Rau | Raue |
| Rauhut | Raulerson | Rauls | Rauscher | Rawchuck | Rawis | Rawlerson |
| Rawles | Rawls | Rawson | Ray | Raylond | Raymon | Raymond |
| Rcihardson | Read | Reagan | Ream | Reams | Reasoner | Reaves |
| Reckown | Rector | Rector, | Red | Redbrook | Redd | Reddie |
| Redding | Redfield | Redmond | Reed | Reede | Reely | Reeve |
| Reeves | Refo | Regan | Register | Regna | Rehard | Rehberg |
| Rehfelt | Reid | Reidd | Reif | Reiley | Reils | Reily |
| Reinhold | Reitz | Remington | Renard | Rendall | Renfro | Renfroe |
| Renner | Renney | Rennolds | Ressey | Reumick | Revell | Revells |
| Revels | Rewis | Reyle | Reyna | Reyna? | Reynolds | Rhode |
| Rhoden | Rhodes | Rhymer | Rhymes | Ricard | Rice | Rich |
| Richard | Richards | Richardson | Richett | Rickard | Rickards | Ricketson |
| Riddell | Rideout | Ridgdile | Ridgdill | Ridgedale | Ridgedel | Ridgely |
| Ridgely, | Ridges | Ridgeway | Rigby | Rigg | Riggan | Riggin |
| Riggins | Riggs | Rigler | Rigsby | Rikard | Riles | Riley |
| Rimer | Rimes | Rimusans | Ripley | Ritch | Ritter | Rivas |
| Rivera | Rivers | Roach | Roan | Robards | Robart | Robarts |
| Robberts | Robbin | Robbins | Robbinson | Roberson | Robert | Roberts |
| Robertson | Robeson | Robetrs | Robins | Robinsoin | Robinson | Robison |
| Robles | Robson | Roby | Roche | Rockner | Rockney | Rockwell |
| Roddenberry | Roden | Roderice | Rodgers | Rodney | Rodregoes | Rodriguez |
| Roe | Roebuck | Roesch | Rogers | Roggers | Roker | Rolerson |
| Rolf | Roling | Rolinson | Rollerson | Rollins | Rollison | Rolls |
| Rolly | Rom | Roman | Romano | Romer | Rooks | Roper |
| Roquemore | Rosa | Rose | Rosenback | Rosier | Ross | Rosser |
| Roty | Roulerson | Rouner | Rountree | Rousch | Roush | Routher |
| Rowan | Rowand | Rowden | Rowe | Rowell | Rowland | Rowley |
| Roy | Royal | Royster | Rozinsky | Rozzell | Rubb | Ruble |
| Ruche | Rudd | Rude | Rudisill | Ruff | Ruhill | Ruhl |
| Rum | Runnells | Runney | Runy | Rushin | Rushing | Russ |