| Name | Type | Language | Counties |
|---|---|---|---|
| SUSANNE (Sue) MARIE MATTERS | Standardized | English | Crook, Deschutes, Jefferson |
| MIREN MATTSON | Master | English | Benton, Lane, Linn, Marion |
| SUSAN MAXWELL | Standardized | English | Marion, Polk, Yamhill |
| GAYLA JEANNE MAY | Standardized | English | Multnomah |
| SHARON CAROLE MAY | Master | English | Jackson |
| Heidi Jo Mayberry | Master | English | Umatilla, Union |
| TINA MAYFIELD | Community | English | Benton, Coos, Lane, Lincoln, Linn, Marion, Polk, Tillamook, Yamhill |
| Massene Mboup | Master | English, Other | All |
| ERIC JOHN MCALINN | Master | English | Clackamas, Multnomah |
| JENIFER ANN MCALLISTER | Master | English | Benton, Lincoln, Linn |