| Name | # Entries |
|---|---|
| Smith | 65894 |
| Sand | 15883 |
| Singh | 14230 |
| Simpson | 7883 |
| Shaw | 6593 |
| Stevens | 6469 |
| Sullivan | 5276 |
| Saunders | 4578 |
| Stone | 4199 |
| Stephens | 4167 |
| Spencer | 4000 |
| Sutton | 3532 |
| Stevenson | 3508 |
| Sinclair | 3358 |
| Shepherd | 3112 |
| Stuart | 3023 |
| Sharp | 2966 |
| Sutherland | 2753 |
| Sharma | 2667 |
| Stanley | 2571 |
| Skinner | 2460 |
| Simmons | 2459 |
| Silva | 2436 |
| Simon | 2423 |
| Sanders | 2368 |
| Schmidt | 2358 |
| Stokes | 2358 |
| Stephenson | 2315 |
| Steele | 2282 |
| Stephen | 2245 |
| Stoke | 2213 |
| Sun | 2126 |
| Smart | 2069 |
| Slater | 2015 |
| Sims | 1946 |
| Schultz | 1853 |
| Savage | 1807 |
| Swan | 1806 |
| Short | 1783 |
| Shannon | 1761 |
| Sheppard | 1746 |
| Shah | 1663 |
| Small | 1652 |
| Sweeney | 1631 |
| Sharpe | 1612 |
| Song | 1570 |
| Seymour | 1543 |
| Smyth | 1524 |
| Summers | 1524 |
| Sanderson | 1498 |
| Spence | 1484 |
| Sheehan | 1443 |
| Stanton | 1393 |
| Schulz | 1369 |
| Shields | 1351 |
| Stafford | 1308 |
| Searle | 1302 |
| Steven | 1298 |
| Santos | 1298 |
| Stacey | 1289 |
| Schofield | 1282 |
| Sheridan | 1271 |
| Schneider | 1252 |
| Steel | 1248 |
| Sampson | 1236 |
| Susan | 1188 |
| Stubbs | 1175 |
| Symons | 1167 |
| Shen | 1160 |
| Salter | 1103 |
| Sykes | 1070 |
| Shi | 1069 |
| Solomon | 1047 |
| Simmonds | 1033 |
| Street | 1025 |