| M | ||
| M's Ellen's Memo | Marion W. Currier | 4/24/2003 |
| M's Miss America | M.G. Porter | 1/14/2004 |
| M's Pretty Gal | Marion W. Currier | 4/24/2003 |
| Madelon Payne | John Robinson | 10/13/2003 |
| Magic Circle | Fuller Greyhounds - Lessee | 8/20/2004 |
| Magic Peace | Haber Kennels, Inc. | 1/30/2003 |
| Main Star | Amy E. Birnbaum | 1/21/2004 |
| Main Star | Amy E. Birnbaum | 05/23/2005 |
| Make Me Crazy | John Dalton | 06/05/2005 |
| Maker Me Great | Otto H. McClure | 11/29/2003 |
| Mama's Image | Randy Finegan - Lessee | 3/18/2004 |
| Maricopa Sequoia | Kortni Kleinman | 2/10/2003 |
| Marbourous Ninya | Gary Thomason - Lessee | 5/25/2004 |
| Marborous Nowell | Gary Thomason - Lessee | 8/16/2004 |
| Marvelous | Everytime Enterprises | 12/18/2003 |
| Marissa Rose | Cosmo Vellucci | 5/14/2004 |
| Marissa To Win | Terrell Scroggins - Lessee | 2/24/2003 |
| Marissa To Win | Terrell Scroggins - Lessee | 10/11/2003 |
| Marn's Flyer | Marlene Mc Donnell | 7/1/2004 |
| Mary Lightcloud | Anthony Corrado | 11/19/2003 |
| Maryville Fay | D. Dwayne Hendricks | 11/17/2003 |
| Maryville Memory | David J. Cahill | 5/4/2003 |
| Maryville Moley* | David J. Cahill | 10/23/2002 |
| MCP's Edna | Harold Farmer | 2/27/2004 |
| MCP's Rewind | Harold Farmer | 10/12/2004 |
| MC P's Lily | Harold Farmer | 12/24/2003 |
| Meadows Tahiti | Deborah L. Schweizer | 7/18/2004 |
| Meon Range* | Eagle Kennel, Inc. | 11/1/2003 |
| Mesa Blue Babe | - | - |
| Melody | Amy E. Birnbaum | 2/24/2002 |
| Melody Train | Amy E. Birnbaum | 1/19/2003 |
| Memory Mystery | Bradley J. Sholtz | 12/15/2003 |
| Meri Mamba | Seastrom Kennels | 4/18/2003 |
| Merry Chaser | Roy G. White | 4/4/2003 |
| Milo Marcia | Michael D. Sutter | 9/30/2002 |
| Minaki Saga | Darrell K. Mc Clung | 6/17/2004 |
| Mind Reader | Toney Bowles | 11/3/2002 |
| Misty Snow | Kenneth R. Richard | 6/17/2003 |
| Miz Annie Foxx | Kristin S. Block | 12/09/2003 |
| Miz Joy Lynne | J. Travis Block, Jr. | 11/21/2002 |
| Miz Mandy | Henry T. Howe | 2/23/2003 |
| Miz Zola | Scott Baran | 11/10/2003 |
| Miz Zola | Wesley L Parvin - Lessee | 6/13/2004 |
| MN's Indigo Girl | Mark D. Stavros | 10/29/2003 |
| MN's Palladium | Stavros Racing, Inc. | 4/5/2004 |
| MN's Seville | 0 | 0 |
| Mohican BB Fly | Diamond Kennel | 9/11/2003 |
| Mohican Diamond | James E. O'Donnell, Jr. | 9/21/2004 |
| Mohican Jay | Amy E. Birnbaum | 03/06/2001 |
| Mohican Judy | Amy E. Birnbaum | 01/31/2001 |
| Mohican Pearl | Pauline O'Donnell | 10/1/2004 |
| Mohican Race Key | Buddy Scitern-Lessee | 7/26/2003 |
| Mohican Race Kit | Kay E. Smith | 2/12/2002 |
| Mohican Race Kit | Buddy Scitern | 05/16/2005 |
| Mohican Topaz | Frederick A. Fulchino - Lessee | 8/7/2002 |
| Momoni Krista | Al Shaw & Jim Dobbins | 3/4/2003 |
| Moonlite Madelon | Russell S. Mc Elhinny-Lessee | 6/9/2003 |
| Moons Get Movin | Joe Recker | 10/1/2003 |
| More Baby More | Barbara A. Thomas | 7/27/2003 |
| Morningstarshine | Fuller Greyhounds | 9/17/2003 |
| MPS Olga | Myrtle I. Piper | 3/27/2001 |
| MS Warfield | Clinton R. Blair | 1/4/2003 |
| Mulberry-IU | Flying Eagles Kennel | 1/23/2003 |
| Musical Bean | Ron Lies | 12/10/2003 |
| My Chalis | Mike L. Muhlbauer | 4/5/2003 |
| My Lady Shaundi | Joe Recker | 10/23/2003 |
| My Little Ruthie | Kevin P. Fish | 9/11/2004 |
| My Miss Jennifer | William L. Lockhart | 8/3/2002 |
| My Miss Monica | Billie Jo Smart | 1/27/2003 |
| My Miss Margo | Mark L. Cottrell | 10/29/2003 |
| My T Buzzsaw | Alan Piper | 1/12/2003 |
| My T Spinner | Joey Scott | 11/11/2002 |
| My T Winnie | Vincent Harold Scott | 4/17/2003 |
| Myrtle Davis | Wayne Sasser | 10/25/2003 |
| Mystic Snowhite | Bradley J. Holomek - Lessee | 1/14/2003 |
| Mystical Mama | Frank J. Defino Sr. | 8/28/2002 |
| N | ||
| Nanot Fleet June | Nancy L. Jenson | 04/05/2005 |
| Need A Smile | Clinton E. Blair | 03/02/2005 |
| Nelli | Patrick Collins | 04/14/2005 |
| Nellie Newman | Darold Robertson | 3/1/2004 |
| Niblick Iron | Diana Calcagno | 11/12/2002 |
| Nice Stride | Scott Baran | 4/23/2004 |