- Schiffman
- Schinberg
- Schindler
- Schlag
- Schliesman
- Schmaling
- Schmidt
- Schmidtke
- Schmitt
- Schnarr
- Schneck
- Schneider
- Schnellbacher
- Schnieder
- Schnulle
- Schoellkopf
- Schoene
- Schoenfield
- Schoengut
- Schoenwaelder
- Schoepke
- Schofield
- Scholes
- Scholla
- Schoomaker
- Schoonover
- Schott
- Schrater
- Schreiber
- Schreiner
- Schroeder
- Schuessler
- Schulenberg
- Schultes
- Schultz
- Schultzen
- Schultzkie
- Schumacher
- Schumaker
- Schuman
- Schummerhorn
- Schundler
- Schuneman
- Schurter
- Schuyler
- Schwalbach
- Schwandt
- Schwartz
- Schwarz
- Schweitzer
- Schwilling
- Schwingel
- Schwotzer
- Schwulst
- Sciabica
- Scofield
- Scotchford
- John (Est 1533-Abt 1601)
- Miss (Est 1556-)
- Scott
- Scovil
- Scovill
- Scoville
- Scranton
- Screachfield
- Scribner
- Scripter
- Scrivens
- Scrymgeoure
- Scudder
- Scullin
- Seabrook
- Seabury
- Seal
- Seaman
- Seamen
- Seamer
- Searing
- Searle