| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 2 | JENIFER ANN MCALLISTER | Master | English | Benton, Lincoln, Linn |
| 3 | HAILEE MCBURNEY | Master | English | All |
| 0 | ANITA MCCLANAHAN | Standardized | English | All |
| 0 | ERIN MARIE MCCLELLAN | Standardized | Clackamas | |
| 0 | Jessica Lyn McClintic | Master | English | All |
| 0 | CHRISTINE TUPPER MCCLURE | Standardized | English | Clatsop, Lincoln, Tillamook |
| 0 | NATALYA MCCOMAS | Master | English | Lane |
| 112 | Joyce Deana McCoy | Master | English | All |
| 0 | HEATHER MCCUEN | Not given | English | Multnomah |
| 0 | Mary Ann McCune | Community | English | Morrow, Umatilla |
| 2 | Sara Beth McCutchen | English | All | |
| 0 | Alisa Ann McDonald | Master | English | Douglas |
| 0 | BROOKE JEAN MCDONALD | Community | English | All |
| 0 | MARIAN CLARE MCDONALD | Community | English | All |
| 0 | SUE MCDONALD | Standardized | English | Union |
| 0 | KATHLEEN MARY MCDONNELL | Master | English | Benton, Lane, Lincoln |
| 0 | RHONDA SUE MCDOWALL | Master | English | All |
| 0 | TAMMIE LEE MCENROE | Standardized | English | Baker, Union |
| 0 | DANIELLE (Dani) MCFARLAND | Master | English | Clackamas, Hood River, Multnomah, Washington |
| 0 | KATHLEEN CARNES MCFARLANE | Standardized | English | Gilliam, Hood River, Sherman, Wasco, Wheeler |
| 0 | PATRICIA MCGLINN | Standardized | English | Multnomah |
| 0 | DAVID MCGORY | Standardized | English | Lane |
| 0 | MOLLY MCGREW | Standardized | English | All |
| 5 | PATRICIA J. MCILVEEN | Master | English | All |
| 0 | Kristen E. McKee | Community | English, Spanish | Benton, Clackamas, Columbia, Deschutes, Hood River, Jefferson, Lane, Lincoln, Linn, Marion, Multnomah, Polk, Tillamook, Wasco, Washington, Yamhill |
| 6 | DANIELLE MARIE MCKIDDY | Master | English | Douglas, Klamath, Lake |
| 0 | Yolanda Denise McKinney | Community | English | Multnomah |
| 0 | Laura Nix McLean | Master | English, Spanish | Clackamas, Multnomah |
| 0 | MOLLY MCMAHON | Standardized | English | All |
| 5 | JENNIFER ABIGAIL COOPER MCMULLEN | Master | English, Spanish | Benton, Linn, Marion, Polk, Yamhill |
| 0 | JOANNE ELIZABETH MCNAMARA | Standardized | English | Multnomah |
| 0 | MARY MCNAMEE | Community | English | Coos, Curry |
| 0 | JEANNE MARIE MCNASSAR | Standardized | English | Multnomah |
| 0 | CARRIE LEAGH MCNEES | Community | English | Lane |
| 1 | HEATHER R. MCNEIL | Specialty Master | English | All |
| 0 | KATHRYN LYNN MCPHAIL | Community | English | Linn, Marion, Polk, Washington |
| 0 | SARA MARGARET MCWILLIAMS | Community | English | All |
| 0 | COLLEEN MEACHAM | Community | English | Clackamas, Multnomah, Washington, Yamhill |
| 3 | SANDRA MEADOS | Master | English | All |
| 12 | Marina Anatolyevna Meaney | Master | Russian | Clackamas, Lane, Linn, Marion, Multnomah, Polk, Washington, Yamhill |
| 0 | LARISSA CHRISTINE MEANY | Community | English | Jackson |
| 0 | JEANNETTE MEDEIROS | English | Jackson | |
| 0 | TRISTA IRENE MEEK | Community | English | Umatilla, Union |
| 2 | CATHERINE RAE MEIER | Master | English | All |
| 0 | RACHELLE MARIE MEJIA | Master | English | Clatsop, Lincoln, Multnomah, Tillamook, Washington, Yamhill |
| 0 | Laura Fernanda Mejia Arroyo | Standardized | English, Spanish | Jackson |
| 0 | Nancy Acosta Melendrez | Master | English, Spanish | Malheur |
| 0 | CYNTHIA MELLEMA | Community | English | Jackson |
| 0 | ABIGAIL ELIZABETH MENDEZ | Master | English, Spanish | Clackamas, Multnomah, Washington |
| 0 | VERONICA MENDOZA OCHOA | Master | English, Spanish | Marion |