| Name | Type | Language | Counties |
|---|---|---|---|
| Carole A Mace-Edwards-Jones | Master | English | Morrow, Umatilla, Union |
| Margaret G MacGillivray-Hossfield | Master | English | Clackamas, Multnomah, Washington |
| BETTY ANN MACTAVISH | Standardized | English | Morrow, Umatilla |
| TONYA LATTANZI MADRIGAL | Master | English, Spanish | Clackamas |
| Irma Beatriz Madsen | Master | Spanish | Multnomah |
| AOIFE ROSE MAGEE | Master | English | All |
| ELIZABETH MAY MAIA | Standardized | English, Spanish | Clackamas, Multnomah, Washington |
| SKIPPER MAINE | Standardized | English | Clackamas, Clatsop, Columbia, Linn, Marion, Multnomah, Tillamook, Washington, Yamhill |
| DAWN ROXANN (ROXANN) MALMBERG | Master | English | Morrow, Umatilla |
| SHANNON MALUSEVIC | Master | English | Multnomah, Washington |