| SL0653 | CALLANAN Sheila | St. Peter's Church Committee | 08/09/2026 | 08/09/2026 | indefinite |
| SL0549 | CAUGHTER Carolyn | Friends of Derwen School | 11/03/2026 | 15/03/2022 | indefinite |
| SL0573 | CHAPMAN Emma | St Mary's Parents & Teachers Association | 12/05/2026 | 07/06/2023 | indefinite |
| SL0074 | CHESTERS Raymond G | Mold Community Hospital League of Friends | 04/07/2025 | 01/01/2008 | indefinite |
| SL0400 | CHISHOLM Diane | Southdown School Fund | 21/04/2026 | 17/05/2016 | indefinite |
| SL0516 | CLISHAM S | Ysgol Yr Esgob | 20/10/2025 | 01/12/2020 | indefinite |
| SL0124 | CLWYD SPECIAL RIDING CENTRE | The Clwyd Special Riding Centre | 26/11/2025 | 01/01/2008 | indefinite |
| SL0655 | COPPLE Stephen | Caerwys Events | 23/10/2026 | 23/10/2026 | indefinite |
| SL0630 | COWLEY Ben | 2247 (Hawarden) Air Cadets | 08/10/2026 | 07/11/2025 | indefinite |
| SL0434 | CRANE Karen | Age Connects North East Wales | 23/09/2026 | 15/09/2017 | indefinite |