| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | Merry Lynn Silver | Not given | English | Marion |
| 0 | Candy Denise Silvers | Not given | English | Clackamas |
| 0 | Heather Lynn Simmons | Master | English | All |
| 0 | Evghenia Sincariuc | Master | English, Russian, Other | All |
| 0 | LINDA SINCLAIR | Standardized | English | Washington |
| 0 | DEBORAH MARGARET SIPE | Standardized | English | Tillamook |
| 8 | Cherie C Skillings | Master | English | Crook, Deschutes, Jefferson, Lane |
| 0 | PATRICIA GALE SKINNER | Standardized | English | Clatsop |
| 0 | REBECCA ELAINE SKYLES | Community | English | Multnomah, Washington |
| 0 | Jennifer Ann Slater | Standardized | English | Douglas, Lane |
| 0 | MISTY MICHELLE SLATER | Standardized | English | Baker, Clackamas, Hood River, Lane, Multnomah, Umatilla, Union, Wallowa, Washington, Yamhill |
| 0 | Zoya Edwardovna Slatsky | Standardized | Douglas, Lane | |
| 8 | KRISTEN SLATT | Master | English | Gilliam, Grant, Harney, Hood River, Lane, Malheur, Morrow, Sherman, Umatilla, Union, Wallowa, Wasco, Wheeler |
| 0 | SUSAN JANE SMALLSREED | Standardized | English | Clackamas, Multnomah, Washington |
| 2 | SARA SMART | Master | English | Marion, Polk, Yamhill |
| 0 | ALICE ELIZABETH SMITH | Master | English | All |
| 1 | AMY Rae SMITH | Community | English | Benton, Clatsop, Lincoln, Linn, Tillamook |
| 6 | Benjamin William Smith | Master | English | All |
| 2 | Charles Hughie Smith | Master | English | All |
| 7 | DIANE KATHRYN SMITH | Master | English | All |