| 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 |
| HAILEE MCBURNEY | Master | English | All |
| ANITA MCCLANAHAN | Standardized | English | All |
| ERIN MARIE MCCLELLAN | Standardized | Clackamas | |
| Jessica Lyn McClintic | Master | English | All |
| CHRISTINE TUPPER MCCLURE | Standardized | English | Clatsop, Lincoln, Tillamook |
| NATALYA MCCOMAS | Master | English | Lane |
| Joyce Deana McCoy | Master | English | All |
| HEATHER MCCUEN | Not given | English | Multnomah |
| Mary Ann McCune | Community | English | Morrow, Umatilla |
| Sara Beth McCutchen | English | All |