| Name | Total | Name | Total |
|---|
| Sijtsma | 3 | Smarius | 1 |
| Sikkema | 7 | Smeding | 30 |
| Sikkenga | 2 | Smeeding | 5 |
| Sikkens | 17 | Smeenk | 2 |
| Sikkens (Sikkes) | 1 | Smeenks | 1 |
| Sikkes | 96 | Smeing | 1 |
| Sikma | 1 | Smeking | 1 |
| Sillen | 1 | Smekink | 2 |
| Silvius | 23 | Smellink | 1 |
| Simensma | 1 | Smid | 15 |
| Simons | 3 | Smids | 3 |
| Simonsma | 3 | Smidt | 3 |
| Sinnema | 52 | Smink | 15 |
| Sinning | 2 | Smit | 64 |
| Sint | 3 | Smits | 38 |
| Sipkema | 1 | Smoorenburg | 1 |
| Six | 1 | Smouts | 1 |
| Sjaarda | 3 | Smulders | 1 |
| Sjoerds | 2 | Snel | 1 |
| Slaats | 1 | Snellen | 3 |
| Slager | 3 | Snelten | 1 |
| Slagter | 4 | Snelter | 1 |
| Slegten | 2 | Snijder | 2 |
| Sleifer | 9 | Snijders | 2 |
| Sleiver | 4 | Snit | 1 |
| Sleutelaar | 1 | Soesbergen, van | 1 |
| Slijfer | 1 | Soest, van | 2 |
| Slijver | 1 | Soetenga | 1 |
| Slippen | 1 | Solaro | 4 |
| Slippens | 40 | Solckema, van | 1 |
| Slipstra | 1 | Solsberg | 1 |
| Slof | 1 | Sommen, van der | 1 |
| Sloot | 32 | Sondagh | 3 |
| Sloot, van der | 7 | Sons | 1 |
| Slooten, van | 2 | Sonsma | 68 |
| Sloothaak | 1 | Soolsma | 3 |
| Slootheer | 1 | Sormani | 5 |
| Slot | 1 | Spaaij | 1 |
| Slotegraaf | 1 | Spaan | 1 |
| Slotsma | 1 | Spakman | 8 |
| Sluijter | 1 | Spanga | 4 |
| Sluijters | 2 | Spanje, van | 1 |
| Sluiman | 1 | Spanjer | 2 |
| Sluis, van der | 2 | Spanning | 2 |
| Sluiter | 3 | Spanning, van | 3 |
| Sluitjes | 1 | Spannum, van | 3 |
| Slump | 12 | Sparidaans | 1 |
| Smakman | 1 | Specken | 2 |
| Smal | 2 | Speelmans | 1 |
| Smaling | 1 | Speerstra | 1 |
