Families Choose a letter to show families whose name starts with that letter. > | A | Á | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | (unknown) | ALL Skip Surname lists Include married names 
| Surname | SURN | Spouses |
|---|
| 1 | Sabater,Guarneiro | SABATER | 1 | | 2 | Infante,Sáenz | SÁENZ | 1 | | 3 | Herrero,Sáez Sáez
| SÁEZ | 1 1 2 | | 4 | Sagarminaga,Casterá | SAGARMINAGA | 1 | | 5 | Martínez,Sala | SALA | 1 | | 6 | Livermore,Salas Salas Gómez,Salas Salas,Sidro
| SALAS | 1 1 2 1 5 | | 7 | Barrionuevo,Salazar | SALAZAR | 1 | | 8 | Busto,Salgado | SALGADO | 1 | | 9 | Sambucety Deudero,Sambucety
| SAMBUCETY | 1 1 2 | | 10 | San Román Terán | SAN ROMÁN TERÁN | 1 | | 11 | Sanabria y Ledesma | SANABRIA Y LEDESMA | 1 | | 12 | Sánchez Sánchez,Fernández Bolado,Sánchez Pérez,Sánchez Deudero,Sánchez Lancheros,Sánchez Sánchez,Prieto Pemán,Sánchez Sánchez,Rivera Campos,Sánchez Sánchez,Villegas Platero,Sánchez Sánchez,García García,Sánchez Sánchez,Padín
| SÁNCHEZ | 5 2 3 1 1 1 1 1 1 1 1 1 1 1 1 22 | | 13 | Sánchez de Puga | SÁNCHEZ DE PUGA | 3 | | 14 | Calvar,Sancho | SANCHO | 1 | | 15 | Pries,Saniter | SANITER | 1 | | 16 | Amor,Sanjurjo | SANJURJO | 1 | | 17 | Domínguez,Santiso | SANTISO | 1 | | 18 | Mauricio,Santos | SANTOS | 1 | | 19 | García,Sanz | SANZ | 1 | | 20 | Arostégui,Saralegui | SARALEGUI | 1 | | 21 | de Vicente,Sasiaín Sasiaín
| SASIAÍN | 1 1 2 | | 22 | Mayans,Sastre Sastre,Massot
| SASTRE | 1 1 2 | | 23 | Gamón,Sazonena | SAZONENA | 1 | | 24 | Barron,Scheidnagel | SCHEIDNAGEL | 1 | | 25 | Scholtz Scholtz,Roth Scholtz,Caravaca Pries,Scholtz
| SCHOLTZ | 1 1 1 1 4 | | 26 | Sciaccaluga | SCIACCALUGA | 2 | | 27 | Scress Pessino,Scress Scress,Kelly
| SCRESS | 1 1 1 3 | | 28 | Álvarez,Seara Fernández,Seara Seara
| SEARA | 2 1 1 4 | | 29 | Gómez,Segalerva | SEGALERVA | 3 | | 30 | Segalerva Ramírez de Arellano | SEGALERVA RAMÍREZ DE ARELLANO | 1 | | 31 | Gracia,Segovia | SEGOVIA | 1 | | 32 | Seguí,Gamundí | SEGUÍ | 1 | | 33 | Segura,Maestre Díez,Segura
| SEGURA | 1 1 2 | | 34 | Seijas | SEIJAS | 2 | | 35 | Lombart,Senante | SENANTE | 1 | | 36 | Lorenzo,Seoane | SEOANE | 1 | | 37 | Sereno,Murillo Sereno
| SERENO | 1 1 2 | | 38 | Sereno Deudero | SERENO DEUDERO | 1 | | 39 | Lipúzcoa,Serón | SERÓN | 1 | | 40 | Escandell,Serra | SERRA | 1 | | 41 | Serrano,Alvarez Deudero,Serrano Serrano,Facio Serrano,Muñoz Serrano,Mínguez
| SERRANO | 1 5 1 1 1 9 | | 42 | Sheehan | SHEEHAN | 1 | | 43 | Sidra | SIDRA | 1 | | 44 | Delgado,Sidrá | SIDRÁ | 1 | | 45 | Salas,Sidro | SIDRO | 1 | | 46 | Sierra,Amorín Sierra,Domuiño
| SIERRA | 1 1 2 | | 47 | Siguencia | SIGUENCIA | 1 | | 48 | Moncayo,Siguenza Siguenza
| SIGUENZA | 1 1 2 | | 49 | Silva,Lorenzo González,Silva Pedrosa,Silva Porto,Silva
| SILVA | 1 1 1 1 4 | | 50 | Skromeda | SKROMEDA | 1 | | 51 | Castro,Sobral | SOBRAL | 1 | | 52 | Solernó | SOLERNÓ | 1 | | 53 | Solís | SOLÍS | 1 | | 54 | Solís de Sanabria | SOLÍS DE SANABRIA | 1 | | 55 | Fontán,Solla | SOLLA | 1 | | 56 | Somoza,Pérez Somoza Villaverde,Somoza Álvarez,Somoza
| SOMOZA | 1 2 1 1 5 | | 57 | Melón,Soto Soto,Barreneche Rebolo,Soto
| SOTO | 1 1 1 3 | | 58 | Soto-Palacios | SOTO-PALACIOS | 1 | | 59 | Spigno | SPIGNO | 2 | | 60 | Suárez Suárez,Rial Otero,Suárez García,Suárez
| SUÁREZ | 4 1 1 1 7 | | 61 | Suárez-Olea | SUÁREZ-OLEA | 1 | | 62 | Suárez-Pumariega,Casares Suárez-Pumariega,Molezún
| SUÁREZ-PUMARIEGA | 1 1 2 | | 63 | Sussman | SUSSMAN | 1 | | | | | Total individuals: 131 Total Names: 110 |
|