| Marc | God is Merciful and Consecrated to the God Mars |
| Marcel | Form of Marc and Little Warrior |
| Marcelino | Consecrated to the God Mars |
| Marcello | God of War Mars Ordained and Dedicated to Mars |
| Marcellus | God of War Mars Ordained and Dedicated to Mars |
| Marcelo | Dedicated to Mars and Consecrated to the God Mars |
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| Marco | Dedicated to Mars (The Roman God of War) and Dedicated to the God Mars |
| Marcos | Dedicated to Mars (The Roman God of War) |
| Marcus | Roman God Mars and Dedicated to the God Mars |
| Margaret | Jewel and Pearl |
| Margarito | The Element Margaron Meaning Pearl |
| Maria | Graceful and Anna |
| Marian | Sea and A Combination of Mary and Ann |
| Mariano | Sea and Drop |
| Marie | Maria and Anna |
| Marilyn | Modern and Star of the Sea |
| Mario | Male and Warlike |
| Marion | Rebellious and Star of the Sea |
| Marius | Male and Mars |
| Mark | John and Mark |
| Markel | Dedicated to Mars (The Roman God of War) |
| Markell | Dedicated to Mars (The Roman God of War) |
| Markus | God of War Mars Ordained and Dedicated to the God Mars |
| Marland | Lake Land and Famous Land |
| Marley | Pleasant Wood and From the Meadow Near the Lake |
| Marlin | Form of Marilyn and Blend of Mary and Lynn |
| Marlo | Bitterness and Daughter of Mary |
| Marlon | Sea and Dedicated to Mars (The Roman God of War) |
| Marlowe | From the Hill Near the Lake and Person from Magdala |
| Marlyn | Bitter and Person from Magdala |
| Marques | The Marquis |
| Marquez | The Marquis |
| Marquis | The Marquis |
| Marquise | The Marquis |
| Marshal | Horse-keeper and A Law Enforcement Officer's Title |
| Marshall | Horse-keeper and Steward of Horses |
| Mart | Warlike and Warrior |
| Martell | Warrior and War-like |
| Martez | War-like and War-Like Dedicated to Mars |
| Martha | Dedicated to Mars and Mistress of the House |
| Martin | War-like and Dedicated to Mars |
| Marty | Warlike and Like Mars |
| Marvel | Wonder, Miracle, Via Old French Merveille = Wonder, Surprise, Miracle from Latin Mirabilia = Wonderful Things and Wonder |
| Marvin | Friend of the Sea and Eminent Marrow |
| Mary | Lady and Star of the Sea |
| Marcel | Form of Marc and Consecrated to the God Mars |
| Marcelino | Consecrated to the God Mars |
| Marcella | Little Marcus and Warlike |
| Marcelle | Consecrated to the God Mars and Dedicated to Mars (The Roman God of War) |
| Marcellus | God of War Mars Ordained and Dedicated to Mars |
| Marcia | From the God Mars and Pr |
| Marcos | Dedicated to Mars (The Roman God of War) |
| Marcus | War-like and The Roman God of War |
| Margaret | Name of a Saint and Jewel |
| Margarito | The Element Margaron Meaning Pearl |
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| Margie | The Pearl |
| Maria | Graceful and Maria |
| Marian | Sea and Grace |
| Mariano | Mary and Sea |
| Marie | Maria and Anna |
| Marilyn | Combination of Mary and Ellen and Bitterness |
| Mario | Warring and King-ruler |
| Marion | Star and Star of the Sea |
| Marius | Male and Mars |
| Marjorie | The Pearl and Diminutive of Margaret |
| Mark | Mark and John |
| Marko | Dedicated to Mars (The Roman God of War) |
| Marlin | Dedicated to Mars (The Roman God of War) and Blend of Mary and Lynn |
| Marquis | The Marquis |
| Marrion | Sea of Bitterness and Bitter |
| Marsh | From the Marsh or Swamp and Horse-keeper |
| Marshal | A Law Enforcement Officer's Title and Steward of Horses |
| Marshall | Shoeing Smith and Steward of Horses |
| Mart | Warrior and Warlike |
| Martha | Mistress and Lady |
| Martie | Warlike and Feminine of Martin |
| Martin | War-like and Warrior |
| Martine | Mars and Warrior |
| Marty | Warlike and Form of Martin |
| Marvel | Wonder and Wonder, Miracle, Via Old French Merveille = Wonder, Surprise, Miracle from Latin Mirabilia = Wonderful Things |
| Marvin | Great and Friend of the Sea |
| Mary | The Word Mere Which Means Mother and Beloved |
| Maryland | Honoring Queen Mary |
