Madelyn is a feminine first name. Notable people with the name include:Madelyn Clare (1894–1975), American actress Madelyn Cline, American actress Madelyn Dunham (1922–2008), maternal grandmother of Barack Obama Madelyn Pugh (1921–2011), television writer who worked on the I Love Lucy television series Madelyn Renee, American soprano formerly known as Madelyn Renée Monti Madelyn Vega, Puerto Rican journalist and attorney