The number of Supreme Court Justices a President appoints equals the number who resign or die during his/her presidency (unless his/her presidency ends before he/she has the opportunity to appoint a replacement).
George Washington appointed the most because as the first president he had to fill the bench. Also, four of Washington's appointments resigned while he was still in office.
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George Washington had the opportunity to appoint the most Justices of the Supreme Court. He appointed 11, out of the 14 he nominated.
Franklin D. Roosevelt was the president who appointed the second most Supreme Court Justices. He appointed eight justices during his presidency.
Washington had to appoint the entire court of seven in his first term . Taft appointed six justices in his one term.
Associate Justices are appointed by the President, with the advice and consent (approval) of the Senate, the same as the Chief Justice. The President who appointed the most justices was George Washington, with ten (actually eleven, but one declined his appointment).
1789, when the first Supreme Court (of six members) was appointed by Washington.
Franklin D. Roosevelt; 8
George Washington is the president that appointed the most Supreme Court Justices. There have been only seven US Presidents that served only one term.
Judges serving on the US Court of Appeals Circuit Courts are appointed by the President, then approved by a simple majority (51%) vote of the Senate. Most federal judges are appointed to their positions, but a few are hired directly. Federal judges are never elected.
Judges and justices of the Judicial branch of the US government are appointed to the bench by Presidential nomination and Senate confirmation. The Judicial branch consists onlyof courts created under Article III of the Constitution:US District CourtsUS Court of International TradeUS Court of Appeals Circuit CourtsSupreme Court of the United StatesThe US Attorney General and US Solicitor General are also appointed officials, but are part of the Executive branch of government.Judges and other officers of the other federal courts are not considered part of the Judicial branch, and are hired and appointed by procedures outlined by Congress. Most of the other federal courts are established under Congressional authority in Article I.US Court of ClaimsUS Bankruptcy CourtsUS Tax CourtsUS Court of Appeals for the Armed Forces, etc.
Since the US District Courts are the most numerous of the federal courts, it only stands to reason that the majority of appointed judges are assigned to this level of the court.
County judges don't appoint Supreme Court justices. At the federal level, they are nominated by the President and confirmed by a simple majority vote of the Senate.