Starting with letter M
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 441 | Marcelo | Italian | Form of the Latin Marcellus meaning hammer. | M | |
| 442 | Marcely | Latin | Hammer. | M | |
| 443 | Marcena | Latin | Of Mars. Feminine of Marcus. Mars was mythological Roman god of fertility also identified with the Greek war god Ares. | M | |
| 444 | 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 | |
| 445 | March | Welsh | Legendary son of Meirchywn. | M | |
| 446 | Marchland | English | From the march. | M | |
| 447 | Marchman | English | From the march. | M | |
| 448 | Marci | Latin | Hammer. | M | |
| 449 | Marcian | Latin | Hammer. | M | |
| 450 | Marciano | Italian | Form of the Latin Marcellus meaning hammer. | M | |
| 451 | Marcinek | Polish | Warlike. | M | |
| 452 | Marcio | Italian | Of Mars. The Roman fertility god Mars for whom March was named. | M | |
| 453 | Marcius | Shakespearean | 'The Tragedy of Coriolanus.' Caius Marcius Coriolanus, and also Young Marcius, son to Coriolanus. | M | |
| 454 | Marco | Italian | Italian form of Marcus: Mars (Roman god of war). Famous Bearer: Marco Polo (1254-1324), explorer from Venice. Warring. | M | |
| 455 | Marco | Latin | Hammer. | M | |
| 456 | Marco | Portuguese | Of Mars; the god of war. | M | |
| 457 | Marco | Spanish | Warring. | M | |
| 458 | Marcos | Portuguese | Of Mars. The Roman fertility god Mars for whom March was named. | M | |
| 459 | Marcos | Spanish | Of Mars. The Roman fertility god Mars for whom March was named. | M | |
| 460 | Marcus | Biblical | Polite; shining | M | |