Madelyn or Madalyn is a feminine first name. Notable people with these names include: Madelyn Madelyn Clare (1894–1975), American actress Madelyn Cline (born 1997), American actress Madelyn Dunham (1922–2008), maternal grandmother of Barack Obama Madelyn Pugh (1921–2011), American television writer who worked on the I Love Lucy television series Madelyn Renee (born 1955), American soprano formerly known as Madelyn Renée Monti Madelyn Vega, Puerto Rican journalist and attorney Madalyn Madalyn Aslan (born 1963), American-British writer, astrologer, and palmist Madalyn Godby (born 1992), American track cyclist Madalyn Murray O'Hair (1919–1995), American writer and activist Madalyn Schiffel (born 1994), American soccer goalkeeper Fictional characters Madelyn "Maddie" Hayes, in the television series Moonlighting Madelyn Stillwell, in the television series The Boys and The Boys Presents: Diabolical Madelyn Spaulding, a villain from Static Shock English feminine given names English-language feminine given names