Prescott S. Bush was born on 15 May 1895 to Samuel Prescott Bush and Flora Sheldon Bush and was raised in Columbus, Ohio. He received a B.A. from Yale University in 1917 and completed his Army career in 1919. Bush joined the firm of Brown Brothers and Company became a partner in 1930. In 1921 he married Dorothy Walker. The couple had five children. A resident of Greenwich, CT, Bush was elected as a member of its representative town meeting. In 1933 he was elected as moderator, a post to which he was re-elected until his election to the United States Senate in 1952. Bush announced his intention not to run for re-election in 1961. He died in 1972.