| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | KIMBERLY LYON | Master | English | Clatsop, Columbia, Tillamook |
| 0 | Carole A Mace-Edwards-Jones | Master | English | Morrow, Umatilla, Union |
| 0 | Margaret G MacGillivray-Hossfield | Master | English | Clackamas, Multnomah, Washington |
| 0 | BETTY ANN MACTAVISH | Standardized | English | Morrow, Umatilla |
| 0 | TONYA LATTANZI MADRIGAL | Master | English, Spanish | Clackamas |
| 61 | AOIFE ROSE MAGEE | Master | English | All |
| 0 | ELIZABETH MAY MAIA | Standardized | English, Spanish | Clackamas, Multnomah, Washington |
| 0 | SKIPPER MAINE | Standardized | English | Clackamas, Clatsop, Columbia, Linn, Marion, Multnomah, Tillamook, Washington, Yamhill |
| 2 | DAWN ROXANN (ROXANN) MALMBERG | Master | English | Morrow, Umatilla |
| 5 | SHANNON MALUSEVIC | Master | English | Multnomah, Washington |
| 0 | EPHREM MAMO | Master | English, Other | Clackamas, Multnomah, Washington |
| 0 | AVA P MANASCO | Master | English, Other | All |
| 0 | HILARY MANKOFSKY | Community | English | All |
| 0 | Alexis Nicole Mann | Community | English | Douglas, Klamath, Lake |
| 0 | SUZANNE MANN-HEINZ | Standardized | English | Douglas |
| 0 | CHRISTEN MARIE MANSUETTI | Community | English | Jackson, Josephine |
| 0 | Laura Maravilla | Master | English, Spanish | All |
| 1 | Sarah Marble | Master | English, Spanish | All |
| 0 | TALIA MARCUCCI OSITIS | Master | English | Clackamas, Marion, Multnomah, Polk, Washington |
| 0 | Jessica R. Marie | Standardized | English | Marion, Polk, Yamhill |