| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 821 | Magdalene | Spanish | Bitter. Woman from Magdala. The biblical Mary Magdalene came from Magdala area near the sea of Galilee. | F | |
| 822 | Maite | Spanish | Love. | F | |
| 823 | Maitea | Spanish | Love. | F | |
| 824 | Malia | Spanish | Variant of Maria. | F | |
| 825 | Malita | Spanish | Variant of Maria. | F | |
| 826 | Manda | Spanish | Battle maid. | F | |
| 827 | Mannie | Spanish | A form of Emmanuel 'God is with us'. | M | |
| 828 | Manny | Spanish | Diminutive of Manuel: God is with us. | M | |
| 829 | Mano | Spanish | An abbreviation of Manuel 'God is with us'. | M | |
| 830 | Manoela | Spanish | God is with us. Variant of Manuel. | F | |
| 831 | Manolito | Spanish | A form of Emmanuel 'God is with us'. | M | |
| 832 | Manolo | Spanish | A form of Emmanuel 'God is with us'. | M | |
| 833 | Manuel | Spanish | Spanish form of Emanuel: God is with us. | M | |
| 834 | Manuela | Spanish | God is with us. | F | |
| 835 | Manuelo | Spanish | A form of Emmanuel 'God is with us'. | M | |
| 836 | Marcela | Spanish | Warring. | F | |
| 837 | Marco | Spanish | Warring. | M | |
| 838 | Marcos | Spanish | Of Mars. The Roman fertility god Mars for whom March was named. | M | |
| 839 | Margarita | Spanish | Pearl. | F | |
| 840 | Maria | Spanish | Bitter. | F | |