| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | DONNA MARTINEZ | Standardized | English | Washington |
| 0 | FERNANDO MARTINEZ | Community | English, Spanish | All |
| 1 | KATHRYN MARTINEZ | Community | English | All |
| 4 | THERESA MARTINEZ | Master | English | All |
| 0 | Victoria Marie Martinez | Master | English | All |
| 0 | DAWN K. MARTINI | Master | English | All |
| 0 | COLLEEN MARTINSON | Not given | English | Deschutes |
| 0 | JUDY LEE MARVAL | Standardized | English | Josephine |
| 0 | KATHLEEN MASEK | Standardized | English | Hood River, Wasco |
| 0 | BRENDA MASSIE | Master | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| 0 | SHAWN BRUMBACH MASSINGALE | Master | English | Douglas |
| 0 | BETTY MASSONI | Not given | English | Benton |
| 0 | MARIA E. MATA | Standardized | English | Malheur |
| 0 | VICTORIA Ortencia MATA LOPEZ | Standardized | English | Tillamook |
| 0 | Adriane Michele Matherne | English | All | |
| 0 | LOREEN MATHIAS | Not given | English | |
| 1 | LISA DARLENE MATHIS | Master | English | Crook, Deschutes, Jefferson |
| 1 | VELDA MATSDORF | Community | English | Benton, Clackamas, Douglas, Jackson, Josephine, Lane, Linn, Marion, Multnomah, Polk, Washington, Yamhill |
| 0 | SUE MATTERS | Standardized | English | Crook, Deschutes, Jefferson |
| 5 | Miren Mattson | Master | English | Benton, Lane, Linn, Marion |