| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Matilda | Mathilde | Old High German | English | Words: might, strength / fight | #410 |
| Matilde | Mathilde | Old High German | German, French | Words: might, strength / fight | |
| Matthildur | Mathilde | Old High German | Icelandic | Words: might, strength / fight | |
| Mattie | Mathilde | Old High German | English | Words: might, strength / fight | |
| Matylda | Mathilde | Old High German | Czech, Polish | Words: might, strength / fight | |
| Maud | Mathilde | Old High German | English | Words: might, strength / fight | |
| Maude | Mathilde | Old High German | English | Words: might, strength / fight | |
| Maynard | Meinhard | Old High German | English | Words: strength, power / brave, hardy | |
| Maynerd | Meinhard | Old High German | English | Words: strength, power / brave, hardy | |
| Mechthild | Mathilde | Old High German | German | Words: might, strength / fight | |
| Meiko | Meinhard | Old High German | German, Frisian, Low German | Words: strength, power / brave, hardy | |
| Meinard | Meinhard | Old High German | German | Words: strength, power / brave, hardy | |
| Meinhard | Meinhard | Old High German | German | Words: strength, power / brave, hardy | |
| Meinolf | Meinolf | Old High German | German | Words: strength, power / wolf | |
| Meinrad | Meinrad | Old High German | German | Words: strength, power / counsel, advice, advisor | |
| Meinulf | Meinolf | Old High German | German | Words: strength, power / wolf | |
| Merlind | Merlind | Old High German | German | Words: famous, well-known / gentle, friendly | |
| Merlinde | Merlind | Old High German | German | Words: famous, well-known / gentle, friendly | |
| Metta | Mathilde | Old High German | German, Low German | Words: might, strength / fight | |
| Mette | Mathilde | Old High German | German, Low German | Words: might, strength / fight | |
| Miltrud | Miltrud | Old High German | German | Words: strength, power | |
| Minka | William/Wilhelma | Old High German | Polish | Words: will, desire / helmet, protection | |
| Minna | William/Wilhelma | Old High German | German, English | Words: will, desire / helmet, protection | |
| Minnie | William/Wilhelma | Old High German | English | Words: will, desire / helmet, protection | |
| Mombert | Mombert | Old High German | German | Words: bright | |
| Momme | Mombert | Old High German | German | Words: bright | |
| Mommo | Mombert | Old High German | German | Words: bright | |
| Mumme | Mombert | Old High German | German | Words: bright | |
| Narding | Leonhard/Leonarda | Old High German | Tagalog | Words: lion / brave, hardy | |
| Neidhard | Neidhard | Old High German | German | Words: fervor, anger, envy / brave, hardy | |
| Neidhart | Neidhard | Old High German | German | Words: fervor, anger, envy / brave, hardy | |
| Neithard | Neidhard | Old High German | German | Words: fervor, anger, envy / brave, hardy | |
| Nilda | Brunhilde | Old High German | Portuguese, Spanish | Words: fight | |
| Nilde | Brunhilde | Old High German | Italian | Words: fight | |
| Nithard | Neidhard | Old High German | German | Words: fervor, anger, envy / brave, hardy | |
| Norbert | Norbert | Old High German | German | Words: north / bright | |
| Norberto | Norbert | Old High German | Italian | Words: north / bright | |
| Norgard | Norgard | Old High German | German | Words: north / fence, enclosure, protection | |
| Norman | Norman | Old High German | German, English | northman, Norman | |
| Normann | Norman | Old High German | German, English | northman, Norman | |
| Nortrud | Nortrud | Old High German | German | Words: north / strength, power | |
| Notburg | Notburga | Old High German | German | Words: force, need, hardship / castle | |
| Notburga | Notburga | Old High German | German | Words: force, need, hardship / castle | |
| Notger | Notker | Old High German | German | Words: force, need, hardship / spear | |
| Notker | Notker | Old High German | German | Words: force, need, hardship / spear | |
| Noud | Arnold/Arnolda | Old High German | Dutch | Words: eagle / rule | |
| Oda | Otto/Ute | Old High German | German, Scandinavian | Words: wealth | |
| Odalis | Ottilia | Old High German | English | Words: wealth | |
| Odalys | Ottilia | Old High German | Spanish | Words: wealth | |
| Oddone | Oddone | Old High German | Italian | | |
| Odelia | Ottilia | Old High German | English | Words: wealth | |
| Odett | Otto/Ute | Old High German | Hungarian | Words: wealth | |
| Odette | Otto/Ute | Old High German | French | Words: wealth | |
| Odilia | Ottilia | Old High German | German | Words: wealth | |
| Odilie | Ottilia | Old High German | German | Words: wealth | |
| Odina | Otto/Ute | Old High German | German | Words: wealth | |
| Odine | Otto/Ute | Old High German | German | Words: wealth | |
| Odo | Otto/Ute | Old High German | German, Italian | Words: wealth | |
| Odoaker | Ottokar | Old High German | German | Words: wealth / vigilant | |
| Odrija | Edeltraud | Old High German | Latvian | Words: noble, honorable / strength, power | |
| Oli | Oliver | Old High German | English | Words: elf / army, warrior / olive, olive tree | |
| Oliver | Oliver | Old High German | German, English | Words: elf / army, warrior / olive, olive tree | #3 |
| Olivér | Oliver | Old High German | Hungarian | Words: elf / army, warrior / olive, olive tree | |
| Óliver | Oliver | Old High German | Icelandic | Words: elf / army, warrior / olive, olive tree | |
| Ólíver | Oliver | Old High German | Icelandic | Words: elf / army, warrior / olive, olive tree | |
| Olivers | Oliver | Old High German | Latvian | Words: elf / army, warrior / olive, olive tree | |
| Olivier | Oliver | Old High German | French | Words: elf / army, warrior / olive, olive tree | |
| Oliviero | Oliver | Old High German | Italian | Words: elf / army, warrior / olive, olive tree | |
| Oliwier | Oliver | Old High German | Polish | Words: elf / army, warrior / olive, olive tree | |
| Ollie | Oliver | Old High German | English | Words: elf / army, warrior / olive, olive tree | |
| Olly | Oliver | Old High German | English | Words: elf / army, warrior / olive, olive tree | |
| Orlanda | Roland/Rolanda | Old High German | Spanish, Italian | Words: fame / land, homeland | |
| Orlando | Roland/Rolanda | Old High German | Spanish, Italian | Words: fame / land, homeland | #842 |
| Orlane | Roland/Rolanda | Old High German | French | Words: fame / land, homeland | |
| Ortraud | Ortraud | Old High German | German | Words: strength, power | |
| Ortrud | Ortraud | Old High German | German | Words: strength, power | |
| Ortrun | Ortrun | Old High German | German | Words: secret, secret sign, rune | |
| Ortwin | Ortwin | Old High German | German | Words: friend | |
| Osbaldo | Oswald | Old High German | English | Words: Ass / rule | |
| Ostara | Ostara | Old High German | German | Words: Easter | |
| Osvaldo | Oswald | Old High German | Spanish, Italian | Words: Ass / rule | |
| Oswald | Oswald | Old High German | German, French, English | Words: Ass / rule | |
| Oswaldo | Oswald | Old High German | Spanish, Italian | Words: Ass / rule | |
| Otello | Otto/Ute | Old High German | Italian | Words: wealth | |
| Otfried | Ottfried | Old High German | German | Words: wealth / peace, protection, safety | |
| Othelie | Ottilia | Old High German | Scandinavian | Words: wealth | |
| Othello | Otto/Ute | Old High German | English | Words: wealth | |
| Othilie | Ottilia | Old High German | French | Words: wealth | |
| Othmar | Ottmar | Old High German | German | Words: wealth / famous, well-known | |
| Othon | Otto/Ute | Old High German | French | Words: wealth | |
| Otmar | Ottmar | Old High German | German | Words: wealth / famous, well-known | |
| Ottfried | Ottfried | Old High German | German | Words: wealth / peace, protection, safety | |
| Ottilia | Ottilia | Old High German | German, Latinized | Words: wealth | |
| Ottilie | Ottilia | Old High German | German | Words: wealth | |
| Ottmar | Ottmar | Old High German | German | Words: wealth / famous, well-known | |
| Otto | Otto/Ute | Old High German | German, Italian, French, English | Words: wealth | #274 |
| Ottokar | Ottokar | Old High German | German | Words: wealth / vigilant | |
| Ottone | Otto/Ute | Old High German | Italian | Words: wealth | |
| Ottorino | Otto/Ute | Old High German | Italian | Words: wealth | |
| Otwin | Otwin | Old High German | German | Words: wealth / friend | |