| Ma Petite Beau |
| Mabel |
| Mabelline |
| Mable |
| Mac |
| Mac Duff |
| Macaroni |
| Macee |
| Macey |
| Macey Moo |
| Machew |
| Machi |
| Macho |
| Maci |
| Maci Lynn |
| Macie |
| Macie Craig |
| Macintosh |
| Mack |
| Mackenzie |
| Mackey |
| Mackie |
| Mackie Sue |
| Macs |
| Mactavish |
| Macy |
| Macy Mae |
| Macy Marie |
| Macy May |
| Macyblue |
| Madam |
| Madam Chloe |
| Madame Lola |
| Madd Maxx |
| Maddee |
| Madden |
| Maddi |
| Maddie |
| Maddie Bailey |
| Maddie Mae |
| Maddison |
| Maddox |
| Maddox Cespedes |
| Maddy |
| Maddy May |
| Madea |
| Madeleine |
| Madeline |
| Madeline Isabelle |
| Madelyn |
| Madge |
| Madi |
| Madigan |
| Madilynn |
| Madison |
| Madona |
| Madonna |
| Madum Lexus |
| Mady |
| Madyxx |
| Mae |
| Mae'c |
| Maegan |
| Maeley |
| Maestro |
| Maez |
| Mafasa |
| Magdalana |
| Magdalene Marie |
| Magdalina |
| Magee |
| Maggatha Ann |
| Maggee |
| Maggi |
| Maggie |
| Maggie Campos |
| Maggie Do |
| Maggie Jo |
| Maggie Lee |
| Maggie Lou |
| Maggie Mae |
| Maggie May |
| Maggie May McLain |
| Maggie Stuart |
| Maggie-Mae |
| Maggiemoo |
| Maggy |
| Magic |
| Magie |
| Magilah |
| Magli-O |
| Magnolia |
| Magnolia Rose |
| Magnum |
| Magnus |
| Magoo |
| Maguai |
| Mah Li |
| Mahia |
| Mahina |
| Mahogany |
| Mai Li |
| Mai Ling |
| Maia |
| Maikito |
| Maila |
| Maile |
| Maisie |
| Maisie Lee |
| Maisy |
| Maitai |
| Maitre Alain |
| Maizie |
| Maizy |
| Maja |
| Majik |
| Major |
| Makala |
| Makayla |
| Maki |
| Mako |
| Malakai |
| Malaya |
| Malcolm |
| Mali Angel |
| Malia |
| Malibu |
| Malichi |
| Malie |
| Malik |
| Maliky |
| Malka Sheba |
| Mallakai |
| Malley |
| Malli |
| Mallie |
| Malliebelle Willingham |
| Malo |
| Malo eugene |
| Malti |
| Maluhia |
| Mamas |
| Mama's |
| Mamma |
| Mammas Little Buffer Man |
| Mammie |
| Manchita |
| Manda |
| Mande |
| Mandi |
| Mandie |
| ManDu |
| Mandy |
| Mango |
| Manhattan |
| Mani |
| Manish |
| Manly |
| Manne |
| Manni |
| Mannie |
| Manning |
| Manny |
| Mano |
| Manolo |
| Manson |
| Many |
| Manza |
| Manzo |
| Mapocho |
| Mara |
| Marains |
| Maraka |
| Marc |
| Marcel |
| Marcella |
| Marcello |
| marchelle |
| Marcie |
| Marco |
| Marcus |
| Margaret Ann |
| Margarita |
| Margerita |
| Marguerite |
| Mari |
| Maria |
| Mariah |
| Marie |
| Marie Antoinette |
| Marigold |
| Marika |
| Marilyn |
| Marilyn Monroe |
| Marilynne |
| Mario |
| Marisa |
| Mariska |
| Maritza |
| Mark |
| Marky |
| Marlee |
| Marley |
| Marliegh |
| Marlow |
| Marlowe |
| Marly |
| Marquis |
| Mars |
| Marsalis |
| Marsapan |
| Marsay |
| Marsha |
| Marshall |
| Marshmellow |
| Martha |
| Martha May |
| Martha Rae |
| Martie |
| Martin |
| Martin Luther |
| Martini |
| Martini "Tini" |
| Martini Olive | |
| Martinii |
| Marty |
| Marvin |
| Mary |
| Mary Beth Blaney |
| Mary Francis |
| Mary Jones |
| Maryella Louise |
| Marzipan |
| Mason |
| Master Chadwick |
| Master Icerous Itallies |
| Master Yoda |
| Mata-Hari |
| Mataiva |
| Matao |
| Matchbox |
| Mateo |
| Mater |
| Mathew |
| Mati |
| Mati High |
| Matie |
| Matilda |
| Matilda Mae |
| Matisse |
| Matt |
| Matteo |
| Matthew Dillinger |
| Matti |
| Mattie |
| Mattiebelle |
| Mattison Bogart |
| Matty |
| Matzi |
| Maui |
| Maui Rocket |
| Maurice |
| Mauricio |
| Maury |
| Maverick |
| Mavis |
| Max |
| Max A Million |
| Max Power |
| Max Well Smart |
| Maxamillian |
| Maxcee |
| Maxi |
| Maxi Blue |
| Maxie |
| Maxie May |
| Maxim |
| Maximillian |
| Maximillion |
| Maximus |
| Maximus Hercules |
| Maximus Minimus |
| Maxine |
| Maxwell |
| Maxwell Jake |
| Maxwell Phillip |
| Maxx |
| Maxx Skobba |
| Maxxi |
| Maxximillian |
| Maxxx |
| May |
| Maya |
| Maya Chin |
| Maya Jasmine |
| Maybea |
| Maycie |
| Mayiah |
| Mayla |
| Mayling |
| Maynard Bo Diddly |
| Maysie |
| Maze |
| Mazerati |
| Mazey |
| Mazie |
| Mazin |
| Mazsola |
| Mazzie |
| Mazzy |
| Me Me |
| Mea |
| Mea Chloe |
| Meadow |
| Meagen |
| Meah |
| Mea-Ling |
| Meanie |
| Meatball |
| Meaty |
| Meaux |
| Meaux-Jeaux |
| Mecee |
| Meco |
| Medina |
| Meeco |
| Meeka |
| Meeko |
| Meena |
| Meesha |
| Meg |
| Megan |
| Megan Marie |
| Meggie |
| Mei Li |
| Mei Li Davis |
| Mei Ling |
| Meiche |
| Meika |
| Meika Mimi |
| meiko |
| Mei-Mei |
| Meka |
| Mekah |
| Mekhi |
| Mekka |
| Meko |
| Mel |
| Melanie |
| Melchia |
| Meli |
| Melia |
| Melica |
| Melissa Rose |
| Mello Yello |
| Mellow |
| Melly |
| Melody |
| Melow |
| Memphis |
| Menahune |
| Menina Maria |
| Mennie |
| Mercedes |
| Mercedez |
| Mercedies |
| Mercy |
| Merinda |
| Merlin |
| Merlot |
| Merrit |
| Mersaydez |
| Meshka |
| Mess |
| Mettwurst |
| Mex |
| Meyers |
| Mhina |
| Mhinus |
| Mi Chu B Trouble |
| Mi Ling |
| Mi Me |
| Mi Mi |
| Mia |
| Mía |
| Mia Chia Sophia |
| Mia Mya |
| Mia Princess |
| Mia Pumpkin |
| Mia Renee |
| Miaka |
| Miami |
| Miamigo |
| Miamore |
| Mibu |
| Mica |
| Micha |
| Michael |
| Michael Jackson |
| Michaela |
| Micheal Jordan |
| Michelle |
| Michi |
| Michoud |
| Mick |
| Micka |
| Mickey |
| Mickey Moose |
| Mickey Mouse |
| Mico |
| Microdot |
| Midas |
| Midge |
| Midget |
| Midgie |
| Midknight |
| Mid-Knight |
| Midnight |
| Midnight Lace |
| Midnite |
| Midori |
| Miette Griffon |
|