| No. | Name | Type | Language | Counties |
|---|---|---|---|---|
| 0 | JOSEPHINE CAISSE | Standardized | English | Deschutes |
| 0 | DAVID JAMES CALDERON | Master | English | Malheur |
| 0 | EOLIA CALDERON | Not given | English | |
| 0 | IDA CALDERON | Standardized | Clackamas, Marion, Multnomah, Washington, Yamhill | |
| 0 | Kristen Naylor Calderon | Standardized | English | Multnomah |
| 1 | Caitlin Denise Calip | Master | English | Marion, Polk, Yamhill |
| 22 | SHIRLEY ADELL CALONDER | Master | English | All |
| 6 | BERTHA AURORA CAMACHO | Community | English, Spanish | Clackamas, Curry, Klamath, Lane, Lincoln, Marion, Multnomah, Sherman, Tillamook, Washington, Yamhill |
| 0 | MARIA ANTONIA CAMARENA | Community | Spanish | |
| 0 | KETERINNE KARLA CAMEY RAQUEC | Master | English, Spanish | Marion, Polk, Yamhill |