| Maarten | | | Gender: | Male | | Origin: | Dutch |
| | | | | Dutch form of Martin, meaning "of/like Mars". |
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| Maas | | | Gender: | Male | | Origin: | Dutch |
| | | | | Dutch pet form of Thomas, meaning "twin". |
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| Mabon | | | Gender: | Male | | Origin: | Welsh |
| | | | | Welsh myth name of a Celtic god, derived from the word mab, meaning "son". |
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| Mac | | | Gender: | Male | | Origin: | Irish/Gaelic |
| | | | | DARA Irish/Gaelic name meaning "son of oak". This is the name of a patron saint and is still common in Ireland, especially in Connemara. |
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| Macaire | | | Gender: | Male | | Origin: | French |
| | | | | French form of Latin Macarius, meaning "blessed". |
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