| Gender | Baby Name | Meaning |
|---|---|---|
 | Lucasta | Light |
| Lucetta | Light |
 | Lucian | Light |
| Lucinda | Light |
| Lucy | Light |
| Lyn | Lake |
| Lynna | Lake |
| Lynne | Lake |
| Mabel | Lovable |
| Mace | Gift of God |
| Maddy | Woman of Magdala |
| Madelia | Woman of Magdala |
| Madeline | Woman of Magdala |
| Madelyn | Woman of Magdala |
| Madge | Pearl |
| Mae | Month of May |
| Maggie | Pearl |
| Maisie | Pearl |
| Manda | Lovable |
| Marcell | Young warrior |
| Marcie | Of Mars the god of war, warlike |
| Margaret | Pearl |
| Margie | Pearl |
| Marian | From the Sea |
| Marvin | Great lord |
| Matt | Gift of God |
| Matthew | Gift of God |
| Maxwell | Great spring |
| May | Spring |
| Melody | Song tune |
