- SAMMONS 1 researcher
- SAUNDERS 1 researcher
- SAVAGE 1 researcher
- SCARBOROUGH 1 researcher
- SCOTT 2 researchers
- SELBY 2 researchers
- SEWELL 1 researcher
- SHACKLEFORD 1 researcher
- SHARP 2 researchersAlso see: SHARPE
- SHARPE 1 researcherAlso see: SHARP
- SHEPPARD 1 researcher
- SHIELD 1 researcherAlso see: SHIELDS
- SHIELDS 1 researcherAlso see: SHIELD
- SHOCKLEY 1 researcher
- SHORT 4 researchers
- SHRIEVES 1 researcher
- SILVERTHORN 1 researcherAlso see: SILVERTHORNE
- SILVERTHORNE 1 researcherAlso see: SILVERTHORN
- SIMKINS 1 researcher
- SIMPLER 1 researcher
- SIMPSON 1 researcher
- SINNEX 1 researcher
- SIPPLE 1 researcher
- SKINNER 1 researcher
- SLOCOMB 1 researcher
- SMACK 1 researcher
- SMALL 1 researcherAlso see: SMAW
- SMART 1 researcher
- SMAW 1 researcherAlso see: SMALL
- SMITH 4 researchers
- SNEAD 2 researchers
- SPADY 1 researcher
- SPARKS 1 researcher
- SPARROW 1 researcher
- SPENCE 0 researchers
- SPIERS 1 researcher
- STANT 1 researcher
- STARLING 1 researcherAlso see: STERLING
- STATIN 1 researcherAlso see: STAYTON
- STATON 1 researcherAlso see: STAYTON
- STAYTON 1 researcher
- STEELE 2 researchers
- STEPHENSON 1 researcherAlso see: STEVENSON
- STERLING 1 researcherAlso see: STARLING
- STEVENSON 1 researcherAlso see: STEPHENSON
- STEWART 1 researcher
- STOAKLEY 1 researcherAlso see: STOCKLEY
- STOCKLEY 2 researchers
- STOKELY 2 researchersAlso see: STOCKLEY
- STORY 1 researcher
- STOUT 1 researcher
- STRATTON 1 researcher
- STREET 0 researchers
- STRINGER 1 researcher
- STURGIS 2 researchers
- SWIFT 1 researcher
Delmarva Surnames Project