- SABIN
- SACKETT
- SACKRITER
- SADD
- SADLER
- SAFFOLD
- SAGE
- SALANT
- SALINGER
- SALISBURY
- SALMON
- SAMARA
- SAMDAHL
- SAMMIS
- SAMMONS
- SANDERS
- SANDERSON
- SANDLAND
- SANFORD
- SANSERVINE
- SANTY
- SARGENT
- SARLE
- SAUERWEIN
- SAUNDERS
- SAUVEZ (SOPHA)
- SAVAGE
- SAWIN
- SAWYER
- SAXE
- SAXON
- SAYLES
- SCARSFIELD
- SCATTERGOOD
- SCHANZ
- SCHARTZER
- SCHELLBACH
- SCHENCK
- SCHERMERHORN
- SCHICK
- SCHIEDEL
- SCHIEVEN
- SCHILLINGER
- SCHLEY
- SCHLOTMAN
- SCHMIDT
- SCHNEIDER
- SCHNELL
- SCHOEPPERLE
- SCHOLES
- SCHOULTZ
- SCHRIVER
- SCHUCHARDT
- SCHULTE
- SCHULTZ
- SCHUMAKER
- SCHUMUKL
- SCHUYLER
- SCHWAB
- SCOFIELD
- SCOTT
- SCOVILLE
- SCRANTON
- SCRUTON
- SCULLY
- SCZEPANSKI
- SEABURY
- SEARLE
- SEARS
- SEAVER
- SECOR
- SECORD
- SECRIST
- SEDGWICK
- SEEBER
- SEEGER
- SEENY
- SEGER
- SEGUR
- SEIBEL
- SELDEN
- SELF
- SELKRIGG
- SELLERS
- SELTON
- SEOL
- SETTLE
- SEVERANCE
- SEWARD
- SEXTON
- SEYMOUR
- SHACKELFORD
- SHACKERLEE
- SHAE
- SHAFFORD
- SHANELINE
- SHARP
- SHARPE
- SHARRI
- SHATTUCK
- SHAUL
- SHAW
- SHEALY
- SHEAR
- SHEARER
- SHEFFER
- SHEFFIELD
- SHELDON
- SHELLY
- SHELTON
- SHENEHON
- SHEPARD
- SHEPHARD
- SHEPHERD
- SHERA
- SHERBURNE
- SHERMAN
- SHERWOOD
- SHIELDS
- SHIFFERT
- SHINSKI
- SHIRLEY
- SHOCK
- SHOOK
- SHOPP
- SHORT
- SHREENE
- SHREEVER
- SHROKA
- SHULTZ
- SHUMAN
- SHUMWAY
- SHUTES
- SIDDALL
- SIEPERT
- SILL
- SILSBE
- SILVERTHAU
- SIMARD
- SIMES
- SIMMONS
- SIMMS
- SIMON
- SIMONS
- SIMONSON
- SIMPKINS
- SIMPSON
- SINCLAIR
- SIPLE
- SIPPEL
- SISLEY
- SITES
- SIZER
- SKIDMORE
- SKINNER
- SLADE
- SLATER
- SLAUGHTER
- SLAUSELL
- SLEICHER
- SLINGERLAND
- SLITER
- SLOAN
- SLOANE
- SLOAT
- SLOCUM
- SLOPER
- SLYE
- SLYFIELD
- SMALL
- SMALLEY
- SMART
- SMELTZER
- SMILEY
- SMITH
- SMOOT
- SNAERY
- SNAVELY
- SNEAD
- SNELL
- SNIDER
- SNOW
- SNYDER
- SOBOL
- SOLAROLI
- SOLGUT
- SOLIS
- SOMERVILLE
- SOMMEN
- SORRELL
- SOULE
- SOURS
- SOUTHER
- SOUTHMAYD
- SPANGLER
- SPANN
- SPARKS
- SPAULDING
- SPAYDE
- SPEAR
- SPENCE
- SPENCER
- SPERRY
- SPOFFORD
- SPOONER
- SPRAGUE
- SPRAIPON
- SPURCK
- SPURR
- SQUIRE
- SQUIRES
- STACEY
- STADY
- STAFFORD
- STAGE
- STALDER
- STANFORD
- STANLEY
- STANNARD
- STANTON
- STAPLEY
- STARK
- STARR
- START
- STEADMAN
- STEARNS
- STEDMAN
- STEEB
- STEELE
- STEFANS
- STEPHENS
- STEPHENSON
- STERLING
- STERRETT
- STERRITT
- STETSON
- STEVENS
- STEVENSON
- STEWART
- STICKHAM
- STILES
- STILLWELL
- STINSIN
- STOCK
- STOCKHOLD
- STOCKING
- STODDARD
- STODDART
- STOEHR
- STOKES
- STOLL
- STONE
- STONESIFER
- STOPP
- STOREY
- STORM
- STORY
- STOTT
- STOVER
- STOWE
- STRAKA
- STRANG
- STRANGE
- STRATBUCKER
- STRATTON
- STRINGER
- STROBEHN
- STROM
- STRONG
- STROUSE
- STROUT
- STUART
- STUBBLEFIELD
- STUDER
- STURGES
- STURN
- STURTEVANT
- SULLIVAN
- SUMMERS
- SUMNER
- SUNDELL
- SUNDQUIST
- SURDAM
- SUSAG
- SUTHERLAND
- SUTPHIN
- SUTTON
- SWAIN
- SWAN
- SWANDERS
- SWANSON
- SWEARINGEN
- SWEENEY
- SWEET
- SWENSON
- SWIFT
- SWIGART
- SWOPE
- SYKES
- SYMMES
- SYMONS