O`Connor, Sandra Day Born 1930 in El Paso, TX Federal Judicial Service: Associate Justice, Supreme Court of the United States Nominated by Ronald Reagan on August 19, 1981, to a seat vacated by Potter Stewart; Confirmed by the Senate on September 21, 1981, and received commission on September 22, 1981. Assumed senior status on January 31, 2006. Education: Stanford University, A.B., 1950 Stanford Law School, LL.B., 1952 Professional Career: Deputy county attorney, San Mateo, California, 1952-1953 Civil attorney, Quartermaster Market Center, Frankfurt, Germany, 1954-1957 Private practice, Phoenix, Arizona, 1957-1965 Assistant state attorney general, Arizona, 1965-1969 Arizona state senator, 1969-1975 Majority leader, 1973-1974 Judge, Superior Court of Arizona, Maricopa County, 1975-1979 Judge, Arizona State Court of Appeals, 1979-1981 Race or Ethnicity: White Gender: Female Research Collections Oral History