Barry Manilow – singer-songwriter Mike Mansfield – Senator from Montana Bruce Manson (born 1956) – tennis player Stephon Marbury – professional basketball player James Margolis (born 1936) – Olympic fencer Rose Marie (Mazetta) – actress Romany Malco (born 1968) – actor John Marley (1907–1984) – actor Dean Marlowe (born 1992) – safety for the Buffalo Bills Constantine Maroulis – American Idol finalist Ernest Martin – theatre director and manager Melanie Martinez – singer-songwriter, actress, director, photographer, and screenwriter Soraida Martinez – artist and designer John Martino (born 1937) – actor Sadie Martinot – singer, actress Lee Marvin – actor Chico Marx member of the Marx Brothers Groucho Marx member of the Marx Brothers Gummo Marx member of the Marx Brothers Harpo Marx member of the Marx Brothers Zeppo Marx member of the Marx Brothers James Maslow actor and singer (raised in California) John Massari – composer, sound designer Ira Brad Matetsky (born 1962) – business litigation & real estate lawyer and prominent Wikipedian Walter Matthau – actor Loretta Mazza (born 1957) – Sammarinese politician, Mayor of Acquaviva (2009–2013) Margherita Wood McCandlish (1892–1954) – American former First Lady of Guam. Born in New York City. John McCloskey (1810–1885) – Cardinal Archbishop of New York, 1864–1885 Frank McCourt – author (raised in Ireland, returned later in life) Malachy McCourtauthor (raised in Ireland, returned later in life) Allie McGuireprofessional basketball player Triston McKenzie – MLB pitcher Kenneth McMillan (1932–1989) – actor Andrea Mitchell journalist, NBC News Paul MeltsnerWPA-era painter and muralist Bob Melvin (born 1961)Major League Baseball player and manager Dave Meltzerpro wrestling journalist Herman Melville (1819–1891) – author Daniel Menaker (1941–2020) – writer and editor Grace Meng (born 1975) – lawyer and politician, Vice Chair of the Democratic National Committee Yehudi Menuhin (1916–1999) – violinist Idina Menzel (born 1971) – singer and actress Ethel Merman (1908–1984) – singer and actress Helen Merrill – jazz singer Jenny B. Merrill (1854–1934) – educator, author Robert Merrill (1917–2004) – singer Stefano Miceli (1975) – pianist and conductor Lea Michele actress and singer Vera Michelena (1885–1961) – actress, dancer, and singer Alyssa Milano – actress Sally Milgrim – fashion designer Harvey Milk – gay activist and politician Adeline Miller – prostitute and madam Arthur Miller (1915–2005) – playwright Marcus Miller – bassist and composer Stephanie Mills singer, former Broadway star Nicki Minaj − rapper and actress Andy Mineo – Christian rapper Sal Mineo (1939–1976) – actor