Stephen Gardner Birmingham (May 28, 1929 – November 15, 2015) was an American author known for his social histories of wealthy American families, often focusing on ethnicity — Jews (his "Jewish trilogy": Our Crowd, The Grandees, The Rest of Us), African-Americans (Certain People), Irish (Real Lace), and the Anglo-Dutch (America's Secret Aristocracy).
He also wrote several novels, also about wealthy people.