Start My Family Tree Welcome to Geni, home of the world's largest family tree.
Join Geni to explore your genealogy and family history in the World's Largest Family Tree.

Project Tags

view all


  • Theodore Dehone Judah (1826 - 1863)
    Theodore Dehone Judah (March 4, 1826–November 2, 1863) was an American railroad engineer who dreamed of the first Transcontinental Railroad. He found investors for what became the Central Pacific Railr...
  • William Randolph Hearst (1863 - 1951)
    William Randolph Hearst - From Wikipedia, the free encyclopedia Member of the U.S. House of Representatives from New York's 11th district In office March 4, 1903 – March 3, 1907 Preceded by William ...
  • Claus Spreckels (Spreckels Sugar Company) (1828 - 1908)
    From the book Lost Kingdom by Julia Flynn Siler: Claus Spreckels - This German immigrant to the United States was a driven entrepreneur from the mainland who, on his periodic trips to the islands, carv...
  • William Avery Rockefeller, Jr. (1841 - 1922)
    William Avery Rockefeller, Jr. (May 31, 1841 - June 24, 1922), American financier, was a co-founder with his older brother John D. Rockefeller of the prominent United States Rockefeller family. He wa...
  • William Shoney O'Brien (1825 - 1878)
    William S. O'Brien (1825 – May 2, 1878) was an American businessman who formed a business partnership with fellow Irishmen James Graham Fair, James C. Flood, and John William Mackay, the Consolidated V...

Robber Baron is a pejorative term used for a powerful 19th century businessman. By the 1890s, the term was typically applied to businessmen who were viewed as having used questionable practices to amass their wealth. It combines the sense of criminal ("robber") and illegitimate aristocracy ("baron"). U.S. political and economic commentator Matthew Josephson popularized the term during the Great Depression in a 1934 book by the same title.

List of businessmen who were called robber barons