| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | SHAWN BRUMBACH MASSINGALE | Master | English | Douglas |
| 0 | BETTY MASSONI | Not given | English | Benton |
| 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 |
| 0 | SUSAN MAXWELL | Standardized | English | Marion, Polk, Yamhill |