Starting with letter M
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 321 | Malone | Irish | Serves Saint John. Surname. | M | |
| 322 | Maloney | Gaelic | Devoted to God. | M | |
| 323 | Maloney | Irish | Serves Saint John. | M | |
| 324 | Malory | French | Variant of Mallory: Unfortunate; ill fated. Derived from an Old French surname. | M | |
| 325 | Malvin | Celtic | Leader. | M | |
| 326 | Malvin | English | Council friend. | M | |
| 327 | Malvin | Gaelic | Polished chief. | M | |
| 328 | Malvin | Irish | Chief. | M | |
| 329 | Malvolio | Shakespearean | 'Twelfth Night', also called 'What You Will' Steward to Olivia. | M | |
| 330 | Malvyn | Celtic | Leader. | M | |
| 331 | Malvyn | English | Council friend. | M | |
| 332 | Malyn | English | Little warrior. | M | |
| 333 | Mamdooh | Muslim | Variant of Mamduh: Praised. Commended. Glorified.. | M | |
| 334 | Mamduh | Muslim | Praised. Commended. Glorified.. | M | |
| 335 | Mamillius | Shakespearean | 'The Winter's Tale' Leontes' son, the young Prince of Sicilia. | M | |
| 336 | Mammon | Biblical | Riches | M | |
| 337 | Mamnoon | Muslim | Variant of Mamnun: Trustworthy.. | M | |
| 338 | Mamnun | Muslim | Trustworthy.. | M | |
| 339 | Mamre | Biblical | Rebellious, bitter, set with trees. | M | |
| 340 | Manaen | Biblical | A comforter; a leader | M | |