Miami (Florida)

to step; to stride; (bound form) old; elderly; (loanword) mile (esp. in expressions of vehicle speed)

to step out; to take a (first) step

to step in; to stride forward; to forge ahead

to stride toward (success); to march toward; to take a step toward

(fig.) to step into; to enter

to take a step; to step forward

McKay or Mackay (name)

McLaren; MacLaren

Maybach, German car brand

Mahdi or Mehdi (Arabic: Guided one), redeemer of some Islamic prophesy

Mahdi army, Iraqi Shia armed militia led by Moqtada Sadr

Michael Jordan (1963–) US basketball player

Michael Crichton (1942-), US techno-thriller writer, author of Jurassic Park

Michael Jackson (1958-2009), American musician and entertainer