Clooney's ancestry includes Irish, German, English, and more distant Scottish and Dutch roots. His patrilineal line traces back to Nicholas Clooney (of County Kilkenny) and Bridget Byron, his great-great-grandparents, who emigrated to the United States from Ireland. His maternal four times great-grandmother, Mary Ann Sparrow, was the half-sister of Nancy Hanks (Nancy Hanks was the mother of President Abraham Lincoln).
Clooney was born in Lexington, Kentucky in 1961. His mother, Nina Bruce (née Warren, 1939–), is a former beauty pageant queen. His father, Nick Clooney, is a former anchorman, as well as a game show and American Movie Classics host. Clooney has an older sister, Adelia (commonly known as Ada); his cousins include actors Miguel and Rafael Ferrer, who are the sons of his aunt, singer Rosemary Clooney, and actor José Ferrer. He is also related to another singer, Debby Boone, who married his cousin Gabriel Ferrer (son of José Ferrer and Rosemary Clooney).