| Name | # Entries |
|---|---|
| R | 19440 |
| Robbinsons | 8219 |
| Reid | 4228 |
| Ryan | 3574 |
| Richardsen | 3085 |
| Robinsom | 2597 |
| Richardsson | 1941 |
| Read' | 1247 |
| Rudford | 929 |
| Reymonds | 834 |
| Ramzis | 691 |
| Robertis | 651 |
| Riley | 562 |
| Rodriguez Rodriguez | 559 |
| Rattcliffe | 522 |
| Reichter | 519 |
| Rawiri | 510 |
| Roberts | 433 |
| Rana | 415 |
| Rizzo | 347 |
| Reyes Reyes | 344 |
| Romanus | 338 |
| Raffert | 332 |
| Rankine | 315 |
| Richrds | 300 |
| Rivett | 299 |
| Royle | 294 |
| Robinsson | 285 |
| Ramsay | 283 |
| Rosenburgh | 266 |
| Rdige | 263 |
| Rickards | 260 |
| Reyes | 215 |
| Ricci | 208 |
| R.. | 205 |
| Rizk | 202 |
| Rear | 198 |
| Rocheford | 196 |
| Rocca | 190 |
| Rainbo | 189 |
| Ridgways | 185 |
| Raza | 178 |
| Roden | 176 |
| Romero Romero | 176 |
| Rayson | 174 |
| Roffey | 168 |
| Raju | 167 |
| Ryu | 167 |
| Relf | 166 |
| Rosental | 165 |
| Ranieri | 164 |
| Rieck | 162 |
| Rasheed | 162 |
| Renfrey | 159 |
| Rockliff | 157 |
| Randhawa | 156 |
| Rong | 155 |
| Raphal | 153 |
| Ruff | 153 |
| Raftery | 153 |
| Rossetto | 150 |
| Radke | 148 |
| Robert | 145 |
| Rolph | 144 |
| Ruhle | 142 |
| Rumbel | 141 |
| Retallack | 140 |
| Rumney | 140 |
| Rashleigh | 139 |
| Rigoni | 139 |
| Rotchester | 136 |
| Rojas Rojas | 134 |
| Rossow | 134 |
| Robertson | 133 |
| Runge | 131 |