| SURNAME | CODE |
| SAAD | KEA |
| SAATHOFF | MIL |
| SABA | KEA |
| SABOTKA | SMC |
| SADDLAR | KEA |
| SADLE | KEA |
| SADLER | KEA |
| SAGER | GIB |
| ST. JOHN | GIB, KEA |
| ST. JULIAN | KEA |
| ST. PETER | KEA, Private |
| SALGNEN | KEA |
| SALTER | SHE |
| SALSBURY | RAV |
| SALTZGABER | KEA |
| SALYARDS | RAV |
| SAMMONS | KEA, SHE |
| SAMP | MIL |
| SAMPLE | KEA |
| SAMPSON | OSA, KEA |
| SANDBERG | KEA |
| SANDBURG | KEA |
| SANDER | PRC |
| SANDERS | KEA, ELM-C |
| SANDERSON | MIL |
| SANDSTEAD | KEA |
| SANFORD | PLE |
| SANK | KEA |
| SANKS | KEA |
| SASAKI | KEA |
| SATIN | PFC |
| SAUNDERS | DOH, KEA, PVA, PLE |
| SAUP | KEA |
| SAVA | KEA |
| SAVAGE | SHE |
| SAVIDGE | KEA |
| SAWYER | KEA |
| SAXTON | MIL |
| SAYER | KEA |
| SAYLORS | RAV |
| SAYRE | KEA |
| SAYRES | KEA |
| SCHAKE | PEA |
| SCHANOV | SHE |
| SCHATZ | KEA |
| SCHAUB | PVA |
| SCHAUDA | KEA |
| SCHECKLER | KEA |
| SCHEIHING | DIV, KEA, RDA |
| SCHENK | KEA |
| SCHEPERS | SHE |
| SCHICKLING | PVA |
| SCHIEMANN | SHE |
| SCHINI | OSA |
| SCHINKEL | RAV |
| SCHIPPER | IMM, MIL |
| SCHIRNEKER | DIV |
| SCHIVISON | KEA |
| SCHLACKER | KEA |
| SCHLAGETER | SHE |
| SCHLATER | KEA |
| SCHLATTER | KEA |
| SCHLEIGH | RAV |
| SCHMALJOHAN | PLE |
| SCHMIDT | DOW, KEA, SJO, ZEL |
| SCHMITT | GIB |
| SCHMITZ | PRC, SMC |
| SCHNACKER | KEA, IMM, MIL |
| SCHNEIDER | KEA, RAV, SHE, SJO |
| SCHNELL | KEA |
| SCHNIEGLER | ELM |
| SCHNOOR | KEA, OSA |
| SCHOLTZ | KEA |
| SCHON | KEA |
| SCHONAV | DOH |
| SCHRAMM | KEA, SMC |
| SCHREARS | KEA |
| SCHRODER | KEA |
| SCHROEDER | PVA, PRC, SOD, SWE |
| SCHUKAR | IMM, OSA |
| SCHULLER | PLE, SJO, SWC |
| SCHULTE | SMC |
| SCHULTZ | KEA, RAV |
| SCHULZE | KEA |
| SCHUMAN | KEA |
| SCHUSTER | PRC |
| SCHUTT | PVA |
| SCHWAB | BHC, OSA, PLE |
| SCHWARTZ | KEA |
| SCHWASINGER | KEA, MAJ |
| SCHWASS | KEA |
| SCHWISOW | KEA |
| SCOLES | KEA |
| SCOTT | FAT, GIB, KEA, MIL, PVA, SOD |
| SCOUTT | KEA |
| SCRANTON | MIL |
| SCREEN | PLE, RAV, |
| SEA | MIL, PRC |
| SEAMAN | KEA, OSA |
| SEAR | KEA |
| SEARIGHT | KEA |
| SEATON | PFC |
| SEDAM | SHE |
| SEE | FAT |
| SEEBRA | KEA |
| SEELEY | KEA |
| SEIBOLD | KEA |
| SEIFERT | PLE |
| SELLECK | KEA |
| SELLICK | FAT |
| SELZER | RAV |
| SENN | KEA |
| SEPHENKOWR | KEA |
| SEVERN | FAT |
| SEYBOLD | KEA |
| SEYMOUR | KEA |
|
| SURNAME | CODE |
| SGHON | KEA |
| SHADA | KEA |
| SHAFER | KEA |
| SHAFTO | KEA, PVA |
| SHAICK | KEA |
| SHAKARA | KEA |
| SHANAN | KEA |
| SHANNON | ELM-C |
| SHARP | GIB, KEA |
| SHAW | KEA |
| SHECKLER | PLE |
| SHEETS | OSA |
| SHEFFIELD | KEA |
| SHELDEN | SHE |
| SHELDON | ELM, GIB, KEA |
| SHELLENBARGER | RAV |
| SHEPARDSON | PLE |
| SHEPHERD | KEA |
| SHERARD | RAV |
| SHERER | KEA |
| SHERRED | KEA |
| SHETTEL | KEA |
| SHIELDS | KEA |
| SHIERS | GIB |
| SHIPMAN | KEA |
| SHIRES | GIB |
| SHIRK | KEA |
| SHIVELY | KEA |
| SHOCKLEY | RAV |
| SHODLE | KEA |
| SHOEMAKER | MIL |
| SHOOP | KEA |
| SHORE | KEA |
| SHORT | GIB |
| SHOUD | KEA |
| SHOVEL | KEA |
| SHOVLAIN | KEA, PRC |
| SHOWERS | GIB, KEA |
| SHRADER | RAV |
| SHREVE | KEA |
| SHROEDER | KEA |
| SHROY | KEA |
| SHUBERT | ELM |
| SHUCK | ELM |
| SHUFELT | KEA |
| SHUFFLEBARGER | ELM |
| SHULTZ | KEA, RAV, SHE |
| SHUTTLE | GIB, KEA |
| SIBERT | MIL |
| SIBLEY | KEA |
| SICKLER | OSA |
| SIEBENALER | ELM-C |
| SIEBKE | IMM, OSA |
| SIEFKE | RAV |
| SIFFERLEN | KEA |
| SIGLER | GIB |
| SILVERNAIL | GIB |
| SIMMERMAN | FAT |
| SIMMONS | MIL |
| SIMMUMAN | KEA |
| SIMON | KEA, ELM-C |
| SIMPKINS | RDA |
| SIMPSON | ELM, RDA |
| SIMSHAUSER | IMM |
| SISTEK | RAV |
| SITZ | KEA, PRC |
| SKALA | SWC |
| SKEDGELL | SHE |
| SKELTON | SHE |
| SKOCHDOPOLE | RAV |
| SKRABLE | SWC |
| SLATER | KEA, OSA |
| SLATTERY | SHE |
| SLAVIK | RAV |
| SLEICHER | KEA |
| SLICK | GIB |
| SLOAN | GIB |
| SLOTE | KEA |
| SLOTTE | KEA |
| SMAHA | RAV |
| SMEAD | KEA |
| SMIDTH | MIL |
| SMILES | KEA |
| SMITH | ELM, GIB, KEA, MIL, OSA, PLE, PRC, RDA, RAV, SHE, SOD |
| SMITHEY | KEA |
| SNAVELY | KEA |
| SNEDEKER | KEA |
| SNELL | RAV |
| SNIDER | KEA |
| SNOW | KEA |
| SNOWDEN | KEA |
| SNUDER | GIB |
| SNURR | PFC |
| SNYDER | ELM, KEA, RAV, SHE |
| SOARS | EA |
| SOBER | SHE |
| SODERBERG | KEA |
| SODERQUIST | KEA |
| SODERSTROM | SHE |
| SOHRWEID | IMM |
| SOMMER | KEA |
| SORENSEN | KEA |
| SOUTHWELL | GIB |
| SOUTHWORTH | PLE |
| SPADES | KEA |
| SPAHR | SHE, SOD |
| SPEAKER | KEA |
| SPEAR | KEA |
| SPEIT | OSA |
| SPELLMAN | SHE |
| SPELLMEYER | MIL |
| SPENCER | ELM, GIB |
| SPEVACEK | RAV |
| SPIES | KEA |
| SPOONER | PVA |
| SPRAGUE | GIB, KEA |
| SPRINGER | KEA |
| SPRY | OSA, PRC |
| SPURGIN | KEA |
| SQUIRES | KEA |
| StableR | MIL |
| STACK | KEA |
| STAFFORD | GIB |
| STALEY | KEA |
|
| SURNAME | CODE |
| STALLBORIES | ELM |
| STALLINGS | FAT, KEA |
| STANDAGE | MAJ, PRC |
| STANDLEY | SHE |
| STANLEY | PLE |
| STANSBERRY | RAV |
| STAPLETON | SHE |
| STAR | KEA |
| STARK | KEA, RAV |
| STARKEL | KEA |
| STARKEY | KEA |
| STATON | KEA, OSA |
| STAUBITZ | KEA |
| STEAR | KEA |
| STEARLEY | GIB, SHE |
| STEARLY | GIB |
| STEARN | GIB |
| STEARNS | GIB, MIL |
| STEBBINS | SHE |
| STEBERG | KEA |
| STEBURG | KEA |
| STECHER | KEA |
| STEDWELL | PRC |
| STEER | GIB |
| STEERE | GIB |
| STEIFF | KEA |
| STEINBERG | DIV |
| STEINHAUSER | DOW, IMM |
| STEINHOUSER | OSA |
| STEINKE | SHE |
| STENGEL | PRC |
| STEPHENS | ELM, MIL |
| STERKEL | KEA |
| STERM | GIB |
| STERN | GIB |
| STERNBERG | ELM-C |
| STERNSBURRY | RAV |
| STETICUK | KEA |
| STEVE | SHE |
| STEVENS | KEA, MIL |
| STEVENSON | KEA, PLE |
| STEWART | KEA, MIL |
| STIERLEN | DIV |
| STIMPSON | KEA |
| STIPP | GIB |
| STITTLE | SJO |
| STOCKDALE | MIL, PVA |
| STOCKWELL | SHE |
| STODDARD | KEA |
| STOKER | KEA |
| STONE | KEA, RDA |
| STONEBARGER | KEA, SHE |
| STONECIPHER | RDA |
| STONTENBUGH | GIB |
| STORER | KE, SOD |
| STORGER | KEA |
| STOUT | KEA |
| STORY | OSA |
| STOTT | PLE |
| STOTTS | PVA |
| STOVER | MAJ, PRC |
| STRAIN | KEA |
| STRAND | KEA |
| STRANDT | OSA |
| STRANGE | OSA |
| STRANSBANGH | KEA |
| STRASSER | KEA |
| STRAUSBAUGH | KEA |
| STREEDBERGER | KEA |
| STREETER | KEA |
| STREIDER | SJO |
| STREIFF | ELM |
| STREIT | SJO, ELM-C |
| STRINGHAM | RAV |
| STROHMER | SJO |
| STROLBERG | KEA |
| STRONG | GIB, KEA |
| STROUD | GIB |
| STRUBLE | RAV |
| STUBBLEFIELD | SHE |
| STUBBS | GIB, MIL, OSA |
| STUBER | SOD |
| STUCKEY | GIB |
| STUDEBAKER | GIB |
| STUMPENHORST | ELM-C |
| STURDEVANT | GIB |
| STUTTER | SHE |
| SUCHY | RAV |
| SUDAN | KEA |
| SUFFA | GIB |
| SULLIVAN | KEA, RAV |
| SUMMERVILLE | KEA, MIL |
| SUNIVILLE | ELM |
| SUNTKEN | PLE |
| SUPANCHECK | PLE |
| SUTHERLAND | KEA |
| SVAN | KEA |
| SVANSON | KEA |
| SVENDSEN | SWE |
| SWAIM | RAV |
| SWAIN | OSA, RAV |
| SWAITHER | MIL |
| SWAN | KEA, SHE |
| SWANEY | KEA |
| SWANSON | GIB, KEA, RAV |
| SWARD | KEA |
| SWARTSLEY | KEA, RDA |
| SWARTZ | KEA |
| SWAYZE | SHE |
| SWEARINGEN | MIL |
| SWEDELL | KEA |
| SWEENEY | MAJ |
| SWEETE | KEA |
| SWENEY | MAJ |
| SWENSON | KEA, PRC, PVA |
| SWIFT | KEA |
| SWIGART | RAV |
| SWINYER | KEA, GIB |
| SWITZ | KEA |
| SWITZER | KEA |
| SWORD | KEA |
| SYDENHAM | KEA |
| SYMMONDS | KEA, RDA |
| SYNDER | MIL |
|
