Lady Gaga's given name is Stefani Joanne Angelina Germanotta. She was born on March 28, 1986 in New York City. Lady Gaga's ethnic background is Italian American. Her father is Joseph Germanotta and mother Cynthia Bissett Germanotta. Producer Rob Fusari helped create the stage name Lady Gaga based in part on Queen's hit song, "Radio Ga Ga."