| The Cambridge Explorer | |
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| Surname Prevalence Chart | |
| A: Sorted by Surname | R |
| Occupant Surname | Occurances |
| Rackham | 1 |
| Radford | 18 |
| Rae | 2 |
| Rains | 1 |
| Ramplin | 1 |
| Rampling | 1 |
| Ramsay | 1 |
| Ramsey | 1 |
| Rand | 1 |
| Randall | 4 |
| Randles | 1 |
| Ranner | 2 |
| Ransom | 7 |
| Ransome | 1 |
| Ranson | 1 |
| Rash | 1 |
| Rattee & Kett | 1 |
| Raven | 1 |
| Raw | 1 |
| Rawlings | 2 |
| Rawlingson | 3 |
| Rawlins | 1 |
| Rawlinson | 6 |
| Rayment | 13 |
| Rayner | 25 |
| Raynes | 4 |
| Raynor | 1 |
| Reach | 1 |
| Read | 7 |
| Reader | 6 |
| Ready | 2 |
| Redding | 4 |
| Redfarn | 9 |
| Redfern | 3 |
| Redhead | 1 |
| Redhouse | 3 |
| Redin | 2 |
| Redman | 1 |
| Reed | 19 |
| Reedy | 1 |
| Reeks | 1 |
| Reeman | 1 |
| Rees | 2 |
| Reeve | 8 |
| Reeves | 6 |
| Reid | 3 |
| Rencher | 1 |
| Rendell | 3 |
| Renshaw | 1 |
| Reynolds | 36 |
| Rhodes | 9 |
| Rice | 2 |
| Rich | 6 |
| Richards | 2 |
| Richards & Rees | 1 |
| Richardson | 26 |
| Richford | 2 |
| Richwood | 1 |
| Rick | 1 |
| Rickard | 8 |
| Ricket | 1 |
| Rickett | 4 |
| Rickwood | 1 |
| Riddle | 1 |
| Rider | 5 |
| Ridgeon | 4 |
| Ridgewell | 2 |
| Ridgway | 1 |
| Ridgwell | 3 |
| Ridley | 4 |
| Rigg | 3 |
| Rignall | 1 |
| Rignell | 1 |
| Ringe | 1 |
| Ripley | 4 |
| Rippengale | 1 |
| Riseley | 4 |
| Risely | 1 |
| Rix | 1 |
| Rixon | 1 |
| Roast | 1 |
| Roberson | 1 |
| Roberts | 12 |
| Robins | 1 |
| Robinson | 55 |
| Robjent | 1 |
| Robson | 6 |
| Rockett | 2 |
| Rodell | 1 |
| Roe | 8 |
| Roff | 1 |
| Rogers | 22 |
| Rolf | 1 |
| Rolfe | 7 |
| Rollason | 1 |
| Rollinson | 2 |
| Rolls | 5 |
| Rolph | 5 |
| Romsey | 1 |
| Rooke | 8 |
| Rookes | 1 |
| Rooks | 1 |
| Roome | 2 |
| Root | 5 |
| Rootham | 1 |
| Rope | 1 |
| Roper | 4 |
| Roscoe | 1 |
| Rose | 16 |
| Rosenberg | 1 |
| Roslyn | 2 |
| Ross | 3 |
| Rossendale & Clamp | 1 |
| Rossiter | 2 |
| Rottman | 1 |
| Roughton | 1 |
| Rousby | 1 |
| Rouse | 6 |
| Routh | 1 |
| Routledge | 1 |
| Rowbottom | 2 |
| Rowe | 6 |
| Rowell | 7 |
| Rowland | 1 |
| Rowley | 1 |
| Rowling | 3 |
| Rowlinson | 2 |
| Rowney | 2 |
| Roxburgh | 3 |
| Royal | 2 |
| Royall | 1 |
| Royston | 13 |
| Rudd | 1 |
| Rudkin | 2 |
| Ruffett | 2 |
| Ruggles | 1 |
| Rugrell | 1 |
| Ruhemann | 1 |
| Rule | 4 |
| Rumbelow | 3 |
| Rumble | 2 |
| Rumbold | 2 |
| Rumsey | 2 |
| Runham | 12 |
| Runniff | 1 |
| Ruse | 4 |
| Russell | 5 |
| Rust | 1 |
| Rutherford | 5 |
| Rutt | 3 |
| Rutter | 18 |
| Ryan | 1 |
| Rycroft | 1 |
| Ryder | 7 |
| Rye | 1 |
| Rymer | 2 |
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