Sepp, Elmar;  Sepp, Gustav;  Sermann, Martin;  Servuk, Nikolai;  Sichver, Jakob;  Sickenberg, Roman;  Siimann, Herbert;  Siimo, Hugo;  Sikmann, Heinrich;  Siller, Arnold;  Silver, Mihkel;  Simon, Ella;  Simon, Karl;  Simson, Viktor;  Sirkel, Arnold;  Siverd, Aleksander;  Sonn, Arnold;  Soop, August;  Soosaar, Hans;  Spigelberg, Alfred