The 178 most-researched names
- Saavedra Spanish
- Sadler English
- Saenz Spanish
- Salas Spanish
- Salazar Spanish
- Salcedo Spanish
- Saldana Spanish
- Salgado Spanish
- Salinas Spanish
- Sampson English
- Samuel Jewish
- Samuels English
- Sanchez Spanish
- Sanders English
- Sanderson Greek
- Sandoval Spanish
- Sands English
- Sanford English
- Santana Spanish
- Santiago Spanish
- Santos Spanish
- Sapp English
- Sargent English
- Saucedo Spanish
- Saunders English
- Savage English
- Sawyer English
- Schaefer German
- Schafer German
- Schaffer German
- Schmidt German
- Schmitt German
- Schmitz German
- Schneider German
- Schroeder German
- Schultz German
- Schulz German
- Schumacher German
- Schwartz Jewish
- Scott Scottish
- Sears English
- Segura Spanish
- Self English
- Sellers English
- Sepulveda Spanish
- Serna Spanish
- Serrano Spanish
- Sewell English
- Sexton
- Seymour English
- Shafer German
- Shaffer German
- Shah Arabic and Persian
- Shannon Irish
- Shapiro Jewish
- Sharma Indian
- Sharp English
- Sharpe English
- Shaw Scottish
- Shea Irish
- Sheehan Irish
- Sheets English
- Sheffield English
- Sheldon English
- Shelton English
- Shepard English
- Shepherd English
- Sheppard English
- Sheridan Irish
- Sherman English
- Sherwood English
- Shields
- Shin Korean
- Shipley English
- Shirley English
- Shoemaker English
- Short English
- Siegel German
- Sierra Spanish
- Silva Portuguese
- Silver English
- Simmons English
- Simms English
- Simon
- Simons
- Simpson
- Sims English
- Sinclair Scottish
- Singer German
- Singh Indian
- Singleton English
- Sizemore English
- Skinner English
- Slater English
- Slaughter English
- Sloan Scottish
- Small English
- Smallwood English
- Smart English
- Smiley English
- Smith English
- Snell English
- Snider German
- Snow English
- Snyder German
- Solano Spanish
- Solis Spanish
- Solomon Jewish
- Song Chinese
- Sorensen Scandinavian
- Soriano Spanish
- Sosa Spanish
- Sotelo Spanish
- Soto Spanish
- Souza Portuguese
- Spangler German
- Sparks English
- Spaulding English
- Spears Scottish
- Spence Scottish
- Spencer English
- Spicer English
- Spivey English
- Sprague English
- Springer German
- Stacy English
- Stafford English
- Stahl German
- Staley English
- Stanford English
- Stanley English
- Stanton English
- Stapleton English
- Stark German
- Starks English
- Starr English
- Steele English
- Stein German
- Steiner German
- Stephens English
- Stephenson
- Sterling
- Stern German
- Stevens English
- Stevenson Scottish
- Steward English
- Stewart Scottish
- Stiles English
- Stinson Scottish
- Stokes English
- Stone English
- Story English
- Stout English
- Stover German
- Stratton English
- Street English
- Strickland English
- Strong English
- Stroud English
- Stuart Scottish
- Stubbs English
- Suarez Spanish
- Sullivan Irish
- Summers English
- Sumner English
- Sun Chinese
- Sutherland Scottish
- Sutton English
- Swain English
- Swan English
- Swanson Scandinavian
- Swartz German
- Sweeney Irish
- Sweet English
- Swenson Scandinavian
- Swift English
- Sykes English
- Sylvester
Every name starting S
The census file has many more. Choose the first two letters.