| Name | # Entries |
|---|---|
| Racey | 1 |
| Richner | 1 |
| Radney | 1 |
| Rabold | 1 |
| Rosiles | 1 |
| Rubalcaba | 1 |
| Resto | 1 |
| Ratzlaff | 1 |
| Rutan | 1 |
| Rathburn | 1 |
| Ruppel | 1 |
| Reamer | 1 |
| Renken | 1 |
| Restivo | 1 |
| Roten | 1 |
| Rearick | 1 |
| Retzer | 1 |
| Rosillo | 1 |
| Roys | 1 |
| Reutter | 1 |
| Razor | 1 |
| Ripplinger | 1 |
| Riggi | 1 |
| Reierson | 1 |
| Roselle | 1 |
| Rickabaugh | 1 |
| Roecker | 1 |
| Ragon | 1 |
| Ruehle | 1 |
| Rheault | 1 |
| Ragsdale | 1 |
| Ridenour | 1 |
| Ruelas | 1 |
| Rodarte | 1 |
| Ruble | 1 |
| Roybal | 1 |
| Roundtree | 1 |
| Riojas | 1 |
| Rude | 1 |
| Rayford | 1 |
| Roseberry | 1 |
| Riggle | 1 |
| Riker | 1 |
| Robichaud | 1 |
| Risinger | 1 |
| Roane | 1 |
| Ritenour | 1 |
| Rozell | 1 |
| Reyez | 1 |
| Rogue | 1 |
| Ruybal | 1 |
| Ridgely | 1 |
| Reitzel | 1 |
| Redlin | 1 |
| Ribble | 1 |
| Rezac | 1 |
| Rousey | 1 |
| Ruppe | 1 |
| Ruesch | 1 |
| Reach | 1 |
| Reighard | 1 |
| Rickel | 1 |
| Rowsey | 1 |
| Ratto | 1 |
| Rueter | 1 |
| Rials | 1 |
| Ryberg | 1 |
| Reiland | 1 |
| Robicheaux | 1 |