| Mabelle Macee Macey Macy Madalene Maddy Madeleina Madeleine Madeleine Madelina Madelon Madie Madolen Mae Maelee Maelynn Magnolia Mai Maia Maiolaine Maiya Majori Mallorie Mallory Manette Manon Marcella Marcelle Marcellia Marchelle Maree Margaux Margeaux Margery Margo Margot Marguerite Maria Mariah Marian Mariane Marianne Marie Mariele Marielle Marietta Mariette Mariette Marjolaina Marquisa Marquise Marquisha Marteena Martine Marveille Marvel Marvela Marvella Marvelle Maryl Maryvonne Mateja Mathilda | |
| | Mathilde Matilda Matilde Mattie Matty Maud Maude Maura Maureen Maurelle Maurina Maurine Mavis Mavise Maxime Melaina Melaine Melanee Melanie Melisande Melisande Melodie Melodie Melusina Mercer Merci Mercy Merla Merlyn Merryl Meryl Michela Michele Michele Micheline Michella Michelle Miette Mignon Mignon Mignonette Millicent Millicente Millie Mimi Minetta Minette Minna Minnie Mirabella Mirabelle Mirielle Mirla Mistique Moniqua Monique Moreen Musetta Musette Mychele Mychelle Myrla Mystique | |
| | Madelon Mahieu Mailhairer Malleville Mallory Mandel Manneville Mantel Manville Marc Marceau Marcel Markey Marlon Marmion Marq Marque Marquis Marsh Marshal Marshall Maslin Mason Masselin Masson Matthieu | |
| | Maurice Maxence Maxime Mayhew Maynard Mayne Maynor Melville Mercer Merla Merle Merlin Merlion Michel Michele Mikel Millard Miquel Montague Montaigu Montaine Montgomery Moor Moore More Morell | |
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