
| Surname | Place | Period | Submitted by | Email Address |
| MARLOW | Sutterton/Boston | 1780-1856 | Wendy Cockburn | r.w.cockburn@xtra.co.nz |
| MARROWS | MiddleRasen/Ingham | 18-19c | Patrick Bucknell | p16m02@tesco.net |
| MARSHALL | Lincolnshire | 1730 | John Marshall | John_Marshall@csx.com |
| MARTIN | Skegness/Winthorpe | 1900+ | Caroline Day | caroline.day1@ntlworld.com |
| MARWOOD | Goulceby | 1780-1870 | John Marwood | johnmarwood@mypostoffice.co.uk |
| MAW | Laughton | 1740-1760 | Patricia Clarke | patricia.clarke@tesco.net |
| MEASURES | Deeping St James | 1760-1800 | Stella Jupe | stella@jupew.freeserve.co.uk |
| MEEK | Lincolnshire | 1640-1699 | Stephen Meek | stevemeek7@yahoo.com |
| MILLER | Wainfleet | 1827-1900 | Carol Goodwin | cagscott@yahoo.com |
| MOTSON | Wainfleet | -1820 | Eric Motson | eric@motson.force9.co.uk |
| MUNDIN | Lincoln | 1900-2008 | Dorothy Adams | dotteee@optusnet.com.au |
| MURRELL | Grimsby | 1860+ | Deborah Brown-Warren | debbywarren@rogers.com |