| Name | State | County | Convicted | Exonerated | Crime | Sentence | Years lost | Age | Race | Sex | Date of Release | Posting Date |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mai, Hien Juan | Texas | Harris | 2012 | 2014 | Drug Possession or Sale | 120 days | 0.3 | 34 | White | Male | 2012 | 03-07-2014 |
| Majczek, Joseph | Illinois | Cook | 1933 | 1946 | Murder | Life | 11.8 | 24 | White | Male | 1945 | 03-13-2018 |
| Malin, Robert | Fed-NY | (Eastern) | 2009 | 2018 | Fraud | 4 years | 0 | 38 | White | Male | 2009 | 06-14-2018 |
| Malinski, Morris | New York | Kings | 1943 | 1946 | Murder | Death | 3.0 | 26 | White | Male | 1946 | 03-13-2018 |
| Malloy, Everett Baily | Texas | Harris | 1984 | 1984 | Murder | 15 years | 1.2 | 31 | White | Male | 1985 | 03-13-2018 |
| Manfredi, John | New York | Kings | 1989 | 1994 | Bribery | 2 to 6 years | 3.8 | 48 | White | Male | 1993 | 09-26-2014 |
| Mangum, Verle | Colorado | Mesa | 2003 | 2023 | Murder | Life without parole | 20.2 | 17 | White | Male | 2023 | 09-19-2023 |
| Manning, Jay Cee | Nevada | Churchill | 1990 | 1998 | Child Sex Abuse | Life | 8.1 | 28 | White | Male | 1998 | 08-29-2011 |
| Mansfield, Troy | Texas | Williamson | 1993 | 2016 | Child Sex Abuse | 3 months | 0 | 25 | White | Male | 1993 | 01-30-2018 |
| Maples, David | Michigan | Macomb | 1995 | 2006 | Drug Possession or Sale | 10 to 20 years | 10.3 | 25 | White | Male | 2006 | 04-30-2020 |
| Marble, Cody | Montana | Missoula | 2002 | 2017 | Child Sex Abuse | 5 years | 13.4 | 17 | White | Male | 2016 | 01-08-2017 |
| Marcinkiewicz, Theodore | Illinois | Cook | 1933 | 1950 | Murder | Life | 16.3 | 25 | White | Male | 1950 | 03-13-2018 |
| Marcucci, Paul | Massachusetts | Bristol | 2011 | 2016 | Arson | 8 to 10 years | 5.1 | 47 | White | Male | 2016 | 08-04-2016 |
| Marcum, Chad | Indiana | Madison | 1997 | 2011 | Murder | 71 years | 13.3 | 20 | White | Male | 2011 | 06-21-2024 |
| Marden, Jonathan | New Hampshire | Hillsborough | 2017 | 2019 | Sexual Assault | Not Sentenced | 0.3 | 20 | White | Male | 2017 | 02-10-2020 |
| Mardlin, Frederick | Michigan | St. Clair | 2007 | 2013 | Arson | 3 to 20 years | 4.5 | 31 | White | Male | 2011 | 02-25-2013 |
| Marino, Richard J. | New York | Monroe | 1976 | 1978 | Murder | 25 years to life | 1.6 | 32 | White | Male | 1978 | 03-13-2018 |
| Marion, William Jackson | Nebraska | Gage | 1887 | 1987 | Murder | Death | 0 | White | Male | 1887 | 03-13-2018 | |
| Marotta, Thomas E. | New York | Monroe | 1976 | 1978 | Murder | 25 years to life | 1.2 | 30 | White | Male | 1978 | 03-13-2018 |
| Marsh, Floyd Jr. | Oregon | Clackamas | 2017 | 2024 | Robbery | 6 years and 10 months | 4.6 | 54 | White | Male | 2022 | 01-26-2024 |
| Marsh, Guy Gordon | Maryland | Anne Arundel | 1973 | 1987 | Murder | Life | 13.8 | 25 | White | Male | 1987 | 03-13-2018 |
| Marsh, Kenneth | California | San Diego | 1983 | 2004 | Murder | 15 to Life | 20.7 | 28 | White | Male | 2004 | 08-29-2011 |
| Marshall, Ronnie | Tennessee | Sumner | 1990 | 1996 | Murder | Life | 5.4 | 28 | White | Male | 1996 | 08-29-2011 |
| Martin, Garland | Texas | Midland | 1999 | 2024 | Murder | Life | 24.9 | 35 | White | Male | 2024 | 09-11-2024 |
| Martorano, Raymond | Pennsylvania | Philadelphia | 1984 | 1999 | Murder | Life without parole | 15.3 | 53 | White | Male | 1999 | 11-17-2014 |
| Mason, Lucius Jr. | New York | New York | 1984 | 1988 | Murder | 20 to Life | 4.3 | 18 | White | Male | 1988 | 03-13-2018 |
| Massey, Kenneth | Texas | El Paso | 1953 | 1954 | Robbery | 15 years | 1.9 | 25 | White | Male | 1954 | 03-15-2021 |
| Masters, Timothy | Colorado | Larimer | 1999 | 2008 | Murder | Life | 8.8 | 15 | White | Male | 2008 | 08-29-2011 |
| Mata, Michael | Kansas | Clay | 2011 | 2011 | Child Sex Abuse | 2 years | 0.6 | 13 | White | Male | 2011 | 06-12-2019 |
| Mathis, Kelly | Florida | Seminole | 2013 | 2017 | Fraud | 6 years | 0 | 59 | White | Male | 2013 | 04-19-2017 |
| Mattice, Ernest | Colorado | Denver | 1936 | 1937 | Sexual Assault | Life | 0.5 | 33 | White | Male | 1937 | 03-13-2018 |
| Mawson, Kimberly | Rhode Island | Kent | 2007 | 2012 | Murder | 35 years | 2.7 | 32 | White | Female | 2010 | 08-21-2013 |
| Mazur, Andre | Oregon | Multnomah | 2012 | 2016 | Drug Possession or Sale | Probation | 0 | 21 | White | Male | 2012 | 12-09-2016 |
| Mazza, Anthony | Massachusetts | Suffolk | 1973 | 2021 | Murder | Life without parole | 47.2 | 25 | White | Male | 2020 | 06-13-2021 |
| McAlister, Michael | Virginia | Richmond City | 1986 | 2015 | Sexual Assault | 35 years | 28.6 | 29 | White | Male | 2015 | 05-18-2015 |
| McAllister, Norman | Vermont | Franklin | 2017 | 2019 | Sexual Assault | Not Sentenced | 0 | 63 | White | Male | 2017 | 11-18-2019 |
| McAllister, Patrick | Washington | Jefferson | 2012 | 2018 | Sexual Assault | 20 years and 10 months | 5.2 | 46 | White | Male | 2017 | 05-17-2018 |
| McAnally, Tamara | California | San Diego | 2004 | 2011 | Fraud | Probation | 0 | 32 | White | Female | 2004 | 06-21-2012 |
| McCabe, Travis | Fed-LA | (Eastern) | 2010 | 2014 | Perjury | Not Sentenced | 0 | 39 | White | Male | 2010 | 02-20-2014 |
| McCaffrey, William | New York | New York | 2006 | 2009 | Sexual Assault | 20 years | 2.9 | 28 | White | Male | 2009 | 08-29-2011 |
| McCallum, Ronald | Wisconsin | Brown | 1993 | 1997 | Child Sex Abuse | 6 months | 0.5 | White | Male | 1993 | 07-26-2021 | |
| McCann, Raymond II | Michigan | St. Joseph | 2015 | 2017 | Perjury | 1 year and 8 months | 0.8 | 45 | White | Male | 2015 | 12-11-2017 |
| McCarn, Herschel | Alabama | Fayette | 1934 | 1940 | Robbery | 25 years | 6.7 | 26 | White | Male | 1940 | 12-07-2025 |
| McCarty, Curtis | Oklahoma | Oklahoma | 1986 | 2007 | Murder | Death | 21.1 | 20 | White | Male | 2007 | 08-29-2011 |
| McCaughn, Patrick | Illinois | Lake | 1996 | 1999 | Robbery | 12 years | 2.7 | 25 | White | Male | 1999 | 08-29-2011 |
| McClaugherty, Charles | New Mexico | Bernalillo | 2001 | 2008 | Murder | Life | 2.2 | 18 | White | Male | 2003 | 07-02-2014 |
| McCormick, Michael Lee | Tennessee | Jefferson | 1987 | 2007 | Murder | Death | 16.0 | 32 | White | Male | 2003 | 08-29-2011 |
| McCracken, Terence | Pennsylvania | Delaware | 1983 | 1995 | Murder | Life | 3.2 | 18 | White | Male | 1987 | 05-01-2013 |
| McCuan, Alvin | California | Kern | 1984 | 1996 | Child Sex Abuse | 20 to 22 years and 4 months | 12.2 | 28 | White | Male | 1996 | 08-29-2011 |
| McCuan, Deborah | California | Kern | 1984 | 1996 | Child Sex Abuse | 20 to 22 years and 4 months | 12.2 | 25 | White | Female | 1996 | 08-29-2011 |
| McCullough, Jack | Illinois | DeKalb | 2012 | 2016 | Murder | Life | 3.6 | 18 | White | Male | 2016 | 05-02-2016 |
| McCullough, Robert | Indiana | LaPorte | 1990 | 1998 | Child Abuse | 20 years | 8.1 | 24 | White | Male | 1998 | 01-16-2018 |
| McCullough, Robert Wayne | Texas | Montgomery | 2000 | 2011 | Child Sex Abuse | Probation | 0 | 30 | White | Male | 2000 | 05-12-2013 |
| McDermott, Christopher | Maryland | Carroll | 1999 | 2000 | Child Sex Abuse | 3 years | 1.2 | 23 | White | Male | 2000 | 02-10-2016 |
| McDermott, Michael | Idaho | Bonner | 2019 | 2023 | Murder | 10 to 25 years | 2.5 | 47 | White | Male | 2022 | 09-05-2023 |
| McDonald, Wilbur | Illinois | Cook | 1971 | 1973 | Murder | Life | 2.0 | 31 | White | Male | 1973 | 03-13-2018 |
| McDowell, John "Jack" | New Mexico | Sandoval | 2014 | 2019 | Murder | 30 to Life | 5.0 | 54 | White | Male | 2019 | 02-10-2020 |
| McGuffin, Nicholas | Oregon | Coos | 2011 | 2019 | Manslaughter | 10 years | 8.4 | 18 | White | Male | 2019 | 01-20-2020 |
| McIntyre, Richard | North Dakota | Burleigh | 1991 | 1992 | Assault | 60 days | 0.2 | 31 | White | Male | 1991 | 02-16-2014 |
| McKee, Dean | Florida | Hillsborough | 1988 | 2019 | Murder | Life | 29.6 | 16 | White | Male | 2018 | 02-14-2019 |
| McKinney, Clarence Leroy | Ohio | Clinton | 1922 | 1923 | Murder | Life | 0.5 | White | Male | 1923 | 03-13-2018 | |
| McLaughlin, Bruce | Virginia | Loudoun | 1998 | 2002 | Child Sex Abuse | 13 years | 4.1 | 45 | White | Male | 2002 | 09-27-2013 |
| McLaughlin, Mark | Fed-PA | (Eastern) | 1996 | 2000 | Tax Evasion/Fraud | Not Sentenced | 0 | 30 | White | Male | 1996 | 08-29-2011 |
| McLaughlin, Robert | New York | Kings | 1980 | 1986 | Murder | 15 to life | 5.6 | 18 | White | Male | 1986 | 03-13-2018 |
| McLaughlin, Russell | Fed-PA | (Eastern) | 1996 | 1998 | Tax Evasion/Fraud | Not Sentenced | 2.7 | 36 | White | Male | 1998 | 08-29-2011 |
| McMahan, David | Maine | Knox | 2000 | 2001 | Assault | Probation | 0 | 40 | White | Male | 2000 | 06-09-2014 |
| McMullen, Edward | Ohio | Miami | 1956 | 1965 | Murder | Life | 9.7 | 28 | White | Male | 1965 | 03-13-2018 |
| McNenney, Edward | New York | New York | 2008 | 2011 | Fraud | 90 days | 0 | 40 | White | Male | 2008 | 06-25-2013 |
| McSherry, Leonard | California | Los Angeles | 1988 | 2001 | Child Sex Abuse | 48 years | 13.2 | 37 | White | Male | 2001 | 08-29-2011 |
| Meier, Scott | Washington | King | 2023 | 2024 | Child Sex Abuse | 9 years and 2 months | 1.4 | 33 | White | Male | 2024 | 05-30-2025 |
| Mellen, Susan | California | Los Angeles | 1998 | 2014 | Murder | Life without parole | 16.4 | 42 | White | Female | 2014 | 10-10-2014 |
| Mellory, Jesse | California | Fresno | 1931 | 1932 | Robbery | Unknown | 0.4 | White | Male | 1932 | 03-13-2018 | |
| Mellory, Sumner | California | Fresno | 1931 | 1932 | Robbery | Unknown | 0.4 | White | Male | 1932 | 03-13-2018 | |
| Melock, Robert | Illinois | Lake | 1989 | 2023 | Murder | Death | 34.1 | 22 | White | Male | 2023 | 01-02-2025 |
| Mendez, Alexandra | Texas | Harris | 2014 | 2014 | Drug Possession or Sale | 6 months | 0 | 18 | White | Female | 2014 | 01-14-2015 |
| Mengloi, Mary | Florida | Palm Beach | 1990 | 1993 | Theft | Probation | 0 | 30 | White | Female | 1990 | 10-26-2014 |
| Mercer, Ellen | New Mexico | Dona Ana | 2002 | 2006 | Fraud | Probation | 0 | 46 | White | Female | 2002 | 11-11-2019 |
| Merrill, Thomas | California | Orange | 1991 | 1995 | Murder | Life | 4.3 | 24 | White | Male | 1995 | 08-29-2011 |
| Mersereau, Adam | Wyoming | Converse | 2010 | 2012 | Child Sex Abuse | 18 to 24 years | 1.8 | 23 | White | Male | 2012 | 05-27-2017 |
| Metegrano, Pat | Illinois | Cook | 1942 | 1942 | Robbery | 1 to 5 years | 0.2 | 25 | White | Male | 1942 | 03-13-2018 |
| Michaels, Margaret Kelly | New Jersey | Essex | 1988 | 1994 | Child Sex Abuse | 47 years | 5.0 | 22 | White | Female | 1993 | 02-21-2012 |
| Milke, Debra | Arizona | Maricopa | 1990 | 2015 | Murder | Death | 22.9 | 25 | White | Female | 2013 | 03-19-2015 |
| Miller, Benjamin | Connecticut | Fairfield | 1973 | 1989 | Murder | 25 years | 16.3 | 42 | White | Male | 1989 | 12-21-2012 |
| Miller, Gina | California | Kern | 1985 | 1991 | Child Sex Abuse | Life | 4.9 | 25 | White | Female | 1990 | 08-29-2011 |
| Miller, Henry | Fed-AR | (Western) | 1888 | 1902 | Murder | Death | 14.0 | 35 | White | Male | 1902 | 03-13-2018 |
| Miller, Joel | Fed-CA | (Central) | 2012 | 2014 | Weapon Possession or Sale | 2 years | 1.5 | 35 | White | Male | 2013 | 12-19-2014 |
| Miller, John | Texas | Rains | 1989 | 1994 | Murder | Life | 4.1 | 42 | White | Male | 1993 | 08-29-2011 |
| Miller, Lawrence J. Jr. | Connecticut | Fairfield | 1983 | 1997 | Assault | 32 years | 12.4 | 36 | White | Male | 1996 | 08-29-2011 |
| Miller, Lloyd Eldon | Illinois | Hancock | 1956 | 1971 | Murder | Death | 10.3 | 29 | White | Male | 1967 | 03-13-2018 |
| Miller, Ryan | Oregon | Deschutes | 2013 | 2025 | Other Nonviolent Misdemeanor | Fine | 0 | 34 | White | Male | 2013 | 11-12-2025 |
| Miller, Thomas | Florida | Hillsborough | 1997 | 2001 | Manslaughter | 15 years | 0 | 19 | White | Male | 1997 | 01-29-2014 |
| Miller, Tonia | Michigan | Calhoun | 2003 | 2021 | Murder | 20 to 30 years | 18.0 | 18 | White | Female | 2021 | 09-20-2021 |
| Mills, Randall | Tennessee | Marshall | 2000 | 2014 | Child Sex Abuse | 20 years | 11.3 | 43 | White | Male | 2011 | 04-08-2014 |
| Minsky, Gerald | Fed-KY | (Eastern) | 1991 | 1992 | Fraud | 1 year and 6 months | 0 | 42 | White | Male | 1991 | 12-12-2012 |
| Minton, Samuel Scott | Tennessee | Bradley | 1994 | 2025 | Sexual Assault | 76 years | 30.7 | 20 | White | Male | 2024 | 05-01-2025 |
| Misch, Eric | Ohio | Lucas | 1993 | 2024 | Murder | 20 years to life | 26.4 | 16 | White | Male | 2020 | 12-08-2024 |
| Modahl, Jeffrey | California | Kern | 1986 | 1999 | Child Sex Abuse | 48 years | 12.8 | 29 | White | Male | 1999 | 08-29-2011 |
| Moldowan, Jeffrey | Michigan | Macomb | 1991 | 2003 | Sexual Assault | 60 to 90 years | 11.1 | 20 | White | Male | 2002 | 08-29-2011 |
| Molen, Michael Scott | Idaho | Boise | 2007 | 2014 | Child Sex Abuse | 20 years | 7.0 | 44 | White | Male | 2014 | 09-22-2018 |
| Monroe, Beverly | Virginia | Powhatan | 1992 | 2003 | Murder | 22 years | 9.4 | 54 | White | Female | 2002 | 08-29-2011 |