| SL0395 | MAITLAND Rebecca | Friends of Potterhanworth C E School (FOPPS) | 06/12/2023 | 06/12/2023 | indefinite |
| SL0223 | MANDERS S L | St John The Evangelist Church | 20/01/2025 | 13/04/2010 | indefinite |
| SL0231 | MARKHAM Shani | Thorpe on the Hill Playgroup | 24/12/2024 | 21/02/2011 | indefinite |
| SL0039 | MCGRANN S P | Joint Miniature Schnauzer Eye Fund | 09/07/2025 | 13/08/2008 | indefinite |
| SL0365 | MEADE Alexandra | Friends of Swinderby School | 12/11/2025 | 16/11/2021 | indefinite |
| SL0003 | MELLOWS Paula | Lincoln Lions Club | 18/12/2024 | 19/02/2008 | indefinite |
| SL0320 | MOOR Rachel | Bracebridge Heath Cricket Club | 11/03/2025 | 29/04/2019 | indefinite |
| SL0002 | MUMFORD Desmond | St Helens Football Club | 20/12/2024 | 08/02/2008 | indefinite |
| SL0118 | NELSON Rosa Yahel | Scopwick Village Hall | 27/10/2025 | 01/01/2008 | indefinite |
| SL0391 | NEWITT Christine | Great Hale Church | 21/01/2025 | 28/04/2023 | indefinite |