| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 301 | Lysander | Shakespearean | A Midsummer Night's Dream' In love with Hermia. | M | |
| 302 | Lysimachus | Shakespearean | 'Pericles, Prince of Tyre' Governor of Mytilene. | M | |
| 303 | Macbeth | Shakespearean | 'The Tragedy of Macbeth' Thane of Glamis and Cawdor, a general in the King's army, who murders King Duncan and takes his crown. | M | |
| 304 | Macduff | Shakespearean | 'The Tragedy of Macbeth' Macduff, Thane of Fife, a nobleman of Scotland who finally kills Macbeth. | M | |
| 305 | Macmorris | Shakespearean | 'King Henry V' Officer in the King's army. | M | |
| 306 | Maecenas | Shakespearean | Antony and Cleopatra'. Friend to Caesar. | M | |
| 307 | Malcolm | Shakespearean | 'The Tragedy of Macbeth' Elder son of King Duncan. | M | |
| 308 | Malvolio | Shakespearean | 'Twelfth Night', also called 'What You Will' Steward to Olivia. | M | |
| 309 | Mamillius | Shakespearean | 'The Winter's Tale' Leontes' son, the young Prince of Sicilia. | M | |
| 310 | Marcade | Shakespearean | 'Love's Labours Lost' Lord attending on the Princess of France. | M | |
| 311 | Marcellus | Shakespearean | 'Hamlet, Prince of Denmark' An officer. | M | |
| 312 | March | Shakespearean | 'King Henry IV, Part 1' Edmund Mortimer, Earl of March. 'King Henry the Sixth, Part III' Edward, Earl of March and son to Richard Plantagenet, afterwards King Edward IV. | M | |
| 313 | Marcius | Shakespearean | 'The Tragedy of Coriolanus.' Caius Marcius Coriolanus, and also Young Marcius, son to Coriolanus. | M | |
| 314 | Marcus | Shakespearean | The Tragedy of Julius Caesar. 'The Tragedy of Titus Andronicus' Marcus Andronicus, Tribune of the People, and brother to Titus. | M | |
| 315 | Mardian | Shakespearean | Antony and Cleopatra'. Attendant on Cleopatra. | M | |
| 316 | Margarelon | Shakespearean | 'The History of Troilus and Cressida' A bastard son of King Priam. | M | |
| 317 | Margaret F | Shakespearean | 'Henry VI, Part 2' Queen to King Henry VI. | M | |
| 318 | Mark | Shakespearean | Antony and Cleopatra' and 'The Tragedy of Julius Caesar.' Mark Antony, roman triumvir and Cleopatra's lover. | M | |
| 319 | Martext | Shakespearean | As You Like It' Son of Sir Rowland de Boys. As You Like It' Sir Oliver Martext, a vicar. | M | |
| 320 | Martius | Shakespearean | 'The Tragedy of Titus Andronicus' Son to Titus Andronicus. | M | |