| SL0211 | MCBAIN Marie | Friends of School Association - N Cockerington CoE | 24/09/2025 | 21/10/2025 | 20/10/2026 |
| SL0249 | MCCREADY Anne D | St Mary's Church (Covenham St Mary) | 22/08/2025 | 01/11/2025 | 31/10/2026 |
| SL0254 | MCCULLOCH Desiree | Holton Le Clay Multi-Purpose Educational Resource Centre | 13/05/2026 | 30/05/2026 | 29/05/2027 |
| SL0156 | MIMMACK John E | Lincolnshire Wolds Railway Society | 02/03/2026 | 01/01/2026 | 31/12/2026 |
| SL0233 | MITCHELL Hans | Alford & District Hockey Club | 23/02/2026 | 01/01/2026 | 31/12/2026 |
| SL0205 | MOFFAT Kirstyn | Gipsey Bridge Academy PTFA Society | 02/10/2025 | 19/10/2025 | 18/10/2026 |
| SL0187 | MONEY Deborah | Coningsby Helping Hands | 04/09/2025 | 18/10/2025 | 17/10/2026 |
| SL0137 | NEWSTEAD Victoria | Partney Primary School PTA | 04/03/2026 | 03/05/2026 | 02/05/2027 |
| SL0038 | O'DONNELL John | Our Lady & St Peters Church (Woodhall Spa) | 03/10/2025 | 01/01/2026 | 31/12/2026 |
| SL0207 | PANTON Andrew | Panton Brothers Museum Limited | 12/02/2026 | 05/04/2026 | 04/04/2027 |