| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Marzellinus | Marcellinus/Marcellina | Latin | German | | |
| Marzellus | Marcel | Latin | German | Words: dedicated to Mars | |
| Marzia | Marzio/Marzia | Latin | Italian | Words: Mars | |
| Marziana | Marziano/Marziana | Latin | Italian | Words: Mars | |
| Marziano | Marziano/Marziana | Latin | Italian | Words: Mars | |
| Marzio | Marzio/Marzia | Latin | Italian | Words: Mars | |
| Massimiliano | Maximilian/Maximiliane | Latin | Italian | Words: very great, greatest | |
| Massimo | Maxim/Maxima | Latin | Italian | the greatest | #886 |
| Mauno | Magnus/Magna | Latin | Finnish | Words: great, large | |
| Maura | Maurice/Maura | Latin | German, Italian | the one from Mauritania, the Moor | |
| Maurane | Maurice/Maura | Latin | French | the one from Mauritania, the Moor | |
| Maurice | Maurice/Maura | Latin | English, French | the one from Mauritania, the Moor | #928 |
| Mauricio | Maurice/Maura | Latin | Portuguese, Spanish | the one from Mauritania, the Moor | #631 |
| Maurilio | Maurice/Maura | Latin | Italian | the one from Mauritania, the Moor | |
| Maurin | Maurice/Maura | Latin | Italian | the one from Mauritania, the Moor | |
| Maurine | Maurice/Maura | Latin | French | the one from Mauritania, the Moor | |
| Mauritius | Maurice/Maura | Latin | German, Dutch | the one from Mauritania, the Moor | |
| Mauritz | Maurice/Maura | Latin | German | the one from Mauritania, the Moor | |
| Maurizio | Maurice/Maura | Latin | Italian | the one from Mauritania, the Moor | |
| Mauro | Maurice/Maura | Latin | Italian | the one from Mauritania, the Moor | |
| Maurus | Maurice/Maura | Latin | German | the one from Mauritania, the Moor | |
| Max | Maximilian/Maximiliane | Latin | German, English | Words: very great, greatest | #175 |
| Maxence | Maxim/Maxima | Latin | French | the greatest | |
| Maxi | Maximilian/Maximiliane | Latin | German | Words: very great, greatest | |
| Maxim | Maxim/Maxima | Latin | Russian | the greatest | |
| Maxim | Maxim/Maxima | Latin | German | the greatest | |
| Maxima | Maxim/Maxima | Latin | Spanish | the greatest | |
| Maxime | Maxim/Maxima | Latin | French | the greatest | |
| Maximilian | Maximilian/Maximiliane | Latin | German, English | Words: very great, greatest | #586 |
| Maximiliane | Maximilian/Maximiliane | Latin | German | Words: very great, greatest | |
| Maximiliano | Maximilian/Maximiliane | Latin | Spanish | Words: very great, greatest | #298 |
| Maximilien | Maximilian/Maximiliane | Latin | French | Words: very great, greatest | |
| Maximillia | Maximilian/Maximiliane | Latin | English | Words: very great, greatest | |
| Maximillian | Maximilian/Maximiliane | Latin | German, English | Words: very great, greatest | |
| Maximino | Maximino | Latin | Portuguese, Spanish | Words: very great, greatest | |
| Maximo | Maxim/Maxima | Latin | English | the greatest | #592 |
| Máximo | Maxim/Maxima | Latin | Spanish | the greatest | |
| Maximus | Maxim/Maxima | Latin | English | the greatest | #330 |
| Maxine | Maximilian/Maximiliane | Latin | German, English | Words: very great, greatest | #520 |
| Maxx | Maximilian/Maximiliane | Latin | English | Words: very great, greatest | |
| Maya | Maja | Latin | English | maybe wet nurse, midwife | #51 |
| Maybelline | Mabel | Latin | English | Words: love | |
| Mengia | Monica | Latin | Rhaeto-Romanic | Words: hermit, monk / advise, warn | |
| Mengia | Dominic/Dominika | Latin | Rhaeto-Romanic | belonging to the lord | |
| Meranda | Miranda | Latin | English | Words: admirable, wonderful | |
| Mercede | Mercedes | Latin | Italian | Words: mercy, grace | |
| Mercedes | Mercedes | Latin | German, English, Spanish | Words: mercy, grace | |
| Mercédesz | Mercedes | Latin | Hungarian | Words: mercy, grace | |
| Mercure | Merkur | Latin | French | Words: merchandise | |
| Mercurio | Merkur | Latin | Spanish, Italian | Words: merchandise | |
| Mercúrio | Merkur | Latin | Portuguese | Words: merchandise | |
| Mercurius | Merkur | Latin | Dutch, Finnish | Words: merchandise | |
| Mercury | Merkur | Latin | English | Words: merchandise | |
| Meret | Emerentia | Latin | German | Words: earn, merit | |
| Merkur | Merkur | Latin | German, Scandinavian | Words: merchandise | |
| Merten | Martin/Martina | Latin | German, Low German | Words: Mars | |
| Mile | Emil/Emily | Latin | German | Words: imitating, rivaling | |
| Milian | Maximilian/Maximiliane | Latin | Scandinavian | Words: very great, greatest | |
| Milja | Emil/Emily | Latin | Finnish | Words: imitating, rivaling | |
| Milla | Camillo/Camilla | Latin | Italian | maybe acolyte | |
| Milli | Emil/Emily | Latin | German | Words: imitating, rivaling | |
| Millie | Camillo/Camilla | Latin | English | maybe acolyte | #86 |
| Milly | Camillo/Camilla | Latin | Italian | maybe acolyte | |
| Milvia | Milvia | Latin | Italian | | |
| Mimoza | Mimoza | Latin | Albanian, Slavic | the mimosa | |
| Minea | Minerva | Latin | German, English | Words: intellect | |
| Minerva | Minerva | Latin | German, English | Words: intellect | |
| Mirabell | Mirabelle | Latin | German | | |
| Mirabella | Mirabelle | Latin | German, Italian | | |
| Mirabelle | Mirabelle | Latin | French, English | | |
| Miranda | Miranda | Latin | German, English, Albanian | Words: admirable, wonderful | #622 |
| Mireya | Miranda | Latin | Spanish | Words: admirable, wonderful | |
| Modesto | Modesto | Latin | Italian | | |
| Mogens | Magnus/Magna | Latin | Scandinavian | Words: great, large | |
| Mona | Monica | Latin | German, Scandinavian | Words: hermit, monk / advise, warn | |
| Moni | Monica | Latin | German | Words: hermit, monk / advise, warn | |
| Monica | Monica | Latin | Portuguese, English, Italian | Words: hermit, monk / advise, warn | #723 |
| Mónica | Monica | Latin | Spanish | Words: hermit, monk / advise, warn | |
| Monika | Monica | Latin | German, Scandinavian | Words: hermit, monk / advise, warn | |
| Mónika | Monica | Latin | Hungarian | Words: hermit, monk / advise, warn | |
| Monique | Monica | Latin | French | Words: hermit, monk / advise, warn | |
| Mons | Magnus/Magna | Latin | Scandinavian | Words: great, large | |
| Morice | Maurice/Maura | Latin | English | the one from Mauritania, the Moor | |
| Moritz | Maurice/Maura | Latin | German | the one from Mauritania, the Moor | |
| Moriz | Maurice/Maura | Latin | German | the one from Mauritania, the Moor | |
| Morris | Maurice/Maura | Latin | English | the one from Mauritania, the Moor | |
| Morten | Martin/Martina | Latin | Scandinavian | Words: Mars | |
| Muzio | Muzio | Latin | Italian | | |
| Mya | Maja | Latin | English | maybe wet nurse, midwife | #366 |
| Myranda | Miranda | Latin | English | Words: admirable, wonderful | |
| Nane | Christian/Christine | Latin | German | Christian, disciple of Christ | |
| Natacha | Noel/Natalie | Latin | French | born on Christmas | |
| Natale | Noel/Natalie | Latin | Italian | born on Christmas | |
| Natalee | Noel/Natalie | Latin | English | born on Christmas | |
| Natalia | Noel/Natalie | Latin | Italian | born on Christmas | #105 |
| Natalía | Noel/Natalie | Latin | Icelandic | born on Christmas | |
| Natália | Noel/Natalie | Latin | Hungarian | born on Christmas | |
| Natalie | Noel/Natalie | Latin | German, French, English | born on Christmas | #73 |
| Natálie | Noel/Natalie | Latin | Czech | born on Christmas | |
| Natalija | Noel/Natalie | Latin | Russian | born on Christmas | |