| McHale, Elizabeth | Elizabeth McHale | Actor | 2020 | 1 | |
| McGunigle, Brian | Brian McGunigle | Actor | 1967 | 1 | |
| McGuire, William, Francis | William Francis McGuire | Actor | 1993 | 2 | |
| McGuire, William, "Biff" | William "Biff" McGuire | Actor | 1980 | 1 | |
| McGuire, Sean | Sean McGuire | Actor | 2018 | 1 | |
| McGuire, Patti | Patti McGuire | Actor | 2019 | 1 | |
| McGuire, Pat | Pat McGuire | Actor | 2001 | 2 | |
| McGuire, Michael | Michael McGuire | Actor | 1961 - 1962 | 2 | |
| McGuire, Louis | Louis McGuire | Composer | 2009 | 1 | |
| McGuire, Lloyd | Lloyd McGuire | Actor | 1980 | 1 | |
| McGuire, John | John McGuire | Actor | 1907 | 1 | |
| McGuinness, Michael | Michael McGuinness | Actor | 1985 | 2 | |
| McGuinness, Frank | Frank McGuinness | Adaptation, Producer, Translator | 1987 - 2020 | 140 | 1 |
| Mcguinne, Sibeal | Sibeal Mcguinne | Actor | 1992 | 1 | |
| McGuinne, Brenda | Brenda McGuinne | Actor | 1962 | 2 | |
| McGuinn, Brenda | Brenda McGuinn | Actor | 1968 | 2 | |
| McGuiness, Frank | Frank McGuiness | Adaptation | 2022 | 1 | |
| McGuigan, Marcy | Marcy McGuigan | Actor | 2000 | 2 | 1 |
| McGuff, David | David McGuff | Director | 2025 | 2 | |
| McGrew, Melina | Melina McGrew | Actor | 2000 | 1 | |
| McGregor, Ross | Ross McGregor | Director | 2010 | 15 | |
| McGregor, Robbie | Robbie McGregor | Actor | 1984 | 1 | |
| McGregor, Rae | Rae McGregor | Dancer | 1939 | 1 | |
| McGregor, Patricia | Patricia McGregor | Actor | 1966 | 1 | |
| McGregor, Ewan | Ewan McGregor | Actor | 2025 | 1 | |
| McGregor, Angela Punch | Angela Punch McGregor | Actor | 1974 | 1 | |
| McGregor-Laine, Susan | Susan McGregor-Laine | Actor | 2003 - 2007 | 2 | |
| McGreevy, Barbara | Barbara McGreevy | Actor | 1980 | 1 | |
| McGrath, Phil | Phil McGrath | Actor | 2022 | 1 | |
| McGrath, Liam | Liam McGrath | Actor | 2021 | 1 | |
| McGrath, Joseph | Joseph McGrath | Actor, Designer | 2010 | 2 | 1 |
| McGrath, Jenni | Jenni McGrath | Musician | 2006 | 1 | |
| McGrath, Jeff | Jeff McGrath | Actor | 2003 | 1 | |
| McGrath, Ian | Ian McGrath | Lighting Designer | 1982 | 1 | |
| McGrath, Carrie | Carrie McGrath | Costume Designer | 1968 | 1 | |
| McGrath, Byron | Byron McGrath | Actor | 1929 | 1 | |
| McGrath, Brian | Brian McGrath | Actor | 1976 | 1 | |
| McGrath, Anne | Anne McGrath | Actor | 2010 | 1 | |
| McGrane, Alycia | Alycia McGrane | Actor | 1964 | 1 | |
| McGowin, Brittain | Brittain McGowin | Actor | 1980 | 1 | |
| McGowan, Terah | Terah McGowan | Actor | 2011 | 12 | |
| McGowan, Miller | Miller McGowan | Actor | 2005 | 1 | |
|
|
