| Name | Type | Language | Counties |
|---|---|---|---|
| JUDY LEE MARVAL | Standardized | English | Josephine |
| KATHLEEN MASEK | Standardized | English | Hood River, Wasco |
| BRENDA MASSIE | Master | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| SHAWN BRUMBACH MASSINGALE | Master | English | Douglas |
| BETTY MASSONI | Not given | English | Benton |
| VICTORIA Ortencia MATA LOPEZ | Standardized | English | Tillamook |
| LOREEN MATHIAS | Not given | English | |
| LISA DARLENE MATHIS | Master | English | Crook, Deschutes, Jefferson |
| VELDA MATSDORF | Community | English | Benton, Clackamas, Douglas, Jackson, Josephine, Lane, Linn, Marion, Multnomah, Polk, Washington, Yamhill |
| SUSANNE (Sue) MARIE MATTERS | Standardized | English | Crook, Deschutes, Jefferson |