| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1441 | Masselin | French | Little Thomas. | M | |
| 1442 | Masson | French | Stone worker. | M | |
| 1443 | Mathieu | French | Gift of God. | M | |
| 1444 | Mathilda | French | Strong in war. Strength for battle. | F | |
| 1445 | Mathilde | French | Strong in war. Strength for battle. | F | |
| 1446 | Matilda | French | Strong in war. Strength for battle. | F | |
| 1447 | Matilde | French | Strong in war. Strength for battle. | F | |
| 1448 | Matthieu | French | Gift of God. | M | |
| 1449 | Mattie | French | Strong in war. Strength for battle. | F | |
| 1450 | Matty | French | Strong in war. Strength for battle. | F | |
| 1451 | Maud | French | Strong in war. Strength for battle. | F | |
| 1452 | Maude | French | Strong in war. Strength for battle. | F | |
| 1453 | Maura | French | Dark skinned. | F | |
| 1454 | Maureen | French | Dark skinned. | F | |
| 1455 | Maurelle | French | Dark and elfin. | F | |
| 1456 | Maurice | French | Dark-skinned; A Moor. | M | |
| 1457 | Maurina | French | Dark skinned. | F | |
| 1458 | Maurine | French | Dark skinned. | F | |
| 1459 | Mavis | French | Joy. | F | |
| 1460 | Mavise | French | Joy. | F | |