| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 1 | Lisa Teutsch | Master | English | Multnomah |
| 0 | GRETCHEN THIEL | Standardized | English | Jackson |
| 16 | TRUDY ANN THIERRY | Master | English | Clackamas, Columbia, Lane, Marion, Multnomah, Washington, Yamhill |
| 0 | BARBARA THOMAS | Standardized | English | Clackamas, Multnomah, Washington |
| 0 | NICHOLE MARIE THOMAS | Community | English | Jackson |
| 0 | SHAKITA NICOLE THOMAS | Master | English | Multnomah |
| 76 | Sonia Hites Thomas | Master | English | Baker, Benton, Clackamas, Clatsop, Columbia, Coos, Crook, Curry, Deschutes, Douglas, Gilliam, Grant, Harney, Hood River, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Lincoln, Linn, Malheur, Marion, Morrow, Multnomah, Polk, Sherman, Tillamook, Umatilla, Union, Wallowa, Wasco, Washington, Wheeler, Yamhill |
| 0 | CATHERINE LOUISE THOMPSON | Master | English | All |
| 0 | Colleen Comfort Thompson | Master | English | All |
| 0 | KATHY R. THOMPSON | Master | English | All |
| 1 | PATTY J. TIPTON | Specialty Community | English | Marion |
| 0 | MARIA DEL CARMEN TITUS | Standardized | English, Spanish | Washington |
| 7 | Laurie Lynne Todd | Master | English | Clackamas, Multnomah, Washington |
| 0 | JOYCE TOMBAUGH | Master | English | Clackamas, Multnomah, Washington |
| 0 | MICHELLE MARIE TONEY | Standardized | English | Clackamas, Multnomah, Washington, Yamhill |
| 6 | Dianice Marie Torrado | Master | English, Spanish | All |
| 0 | Ana Maria Tovar | Standardized | Spanish | Jackson |
| 0 | MONICA TOVAR | Standardized | Spanish | Multnomah, Washington |
| 17 | ALEXIS TRACY | Master | English | All |
| 0 | ALBA TRAIL | Standardized | English | Coos |