<P> Three presidents have appointed justices who together served more than a century: Andrew Jackson, Abraham Lincoln, and Franklin D. Roosevelt . </P> <P> The Supreme Court consists of a chief justice, currently John Roberts, and eight associate justices . Among the current members of the Court, Clarence Thomas is the longest - serving justice, with a tenure of 7003986900000000000 ♠ 9,869 days (7003986900000000000 ♠ 27 years, 7 days) as of October 30, 2018; the most recent justice to join the court is Brett Kavanaugh, whose tenure began on October 6, 2018 . </P> <Table> <Tr> <Th_colspan="2"> Justice / Birthdate and place </Th> <Th> Appointed by </Th> <Th> SCV </Th> <Th_colspan="2"> Age at </Th> <Th> Start date / Length of service </Th> <Th> Previous position </Th> <Th> Succeeded </Th> </Tr> <Tr> <Th> Start </Th> <Th> Present </Th> </Tr> <Tr> <Td> </Td> <Td> John Roberts January 27, 1955 Buffalo, New York </Td> <Td> G.W. Bush </Td> <Td> 78--22 </Td> <Td> 50 </Td> <Td> 7004232870000000000 ♠ 63 </Td> <Td> September 29, 2005 7003477900000000000 ♠ 13 years, 31 days </Td> <Td> Circuit Judge, Court of Appeals for the D.C. Circuit (2003--2005) </Td> <Td> Rehnquist </Td> </Tr> <Tr> <Td> </Td> <Td> Clarence Thomas June 23, 1948 Pin Point, Georgia </Td> <Td> G.H.W. Bush </Td> <Td> 52--48 </Td> <Td> 43 </Td> <Td> 7004256960000000000 ♠ 70 </Td> <Td> October 23, 1991 7003986900000000000 ♠ 27 years, 7 days </Td> <Td> Circuit Judge, Court of Appeals for the D.C. Circuit (1990--1991) </Td> <Td> Marshall </Td> </Tr> <Tr> <Td> </Td> <Td> Ruth Bader Ginsburg March 15, 1933 Brooklyn, New York </Td> <Td> Clinton </Td> <Td> 96--3 </Td> <Td> 60 </Td> <Td> 7004312750000000000 ♠ 85 </Td> <Td> August 10, 1993 7003921200000000000 ♠ 25 years, 81 days </Td> <Td> Circuit Judge, Court of Appeals for the D.C. Circuit (1980--1993) </Td> <Td> White </Td> </Tr> <Tr> <Td> </Td> <Td> Stephen Breyer August 15, 1938 San Francisco, California </Td> <Td> Clinton </Td> <Td> 87--9 </Td> <Td> 55 </Td> <Td> 7004292960000000000 ♠ 80 </Td> <Td> August 3, 1994 7003885400000000000 ♠ 24 years, 88 days </Td> <Td> Chief Judge, Court of Appeals for the First Circuit (1990--1994) </Td> <Td> Blackmun </Td> </Tr> <Tr> <Td> </Td> <Td> Samuel Alito April 1, 1950 Trenton, New Jersey </Td> <Td> G.W. Bush </Td> <Td> 58--42 </Td> <Td> 55 </Td> <Td> 7004250490000000000 ♠ 68 </Td> <Td> January 31, 2006 7003465500000000000 ♠ 12 years, 272 days </Td> <Td> Circuit Judge, Court of Appeals for the Third Circuit (1990--2006) </Td> <Td> O'Connor </Td> </Tr> <Tr> <Td> </Td> <Td> Sonia Sotomayor June 25, 1954 The Bronx, New York </Td> <Td> Obama </Td> <Td> 68--31 </Td> <Td> 55 </Td> <Td> 7004235030000000000 ♠ 64 </Td> <Td> August 8, 2009 7003337000000000000 ♠ 9 years, 83 days </Td> <Td> Circuit Judge, Court of Appeals for the Second Circuit (1998--2009) </Td> <Td> Souter </Td> </Tr> <Tr> <Td> </Td> <Td> Elena Kagan April 28, 1960 Manhattan, New York </Td> <Td> Obama </Td> <Td> 63--37 </Td> <Td> 50 </Td> <Td> 7004213690000000000 ♠ 58 </Td> <Td> August 7, 2010 7003300800000000000 ♠ 8 years, 86 days </Td> <Td> Solicitor General of the United States (2009--2010) </Td> <Td> Stevens </Td> </Tr> <Tr> <Td> </Td> <Td> Neil Gorsuch August 29, 1967 Denver, Colorado </Td> <Td> Trump </Td> <Td> 54--45 </Td> <Td> 49 </Td> <Td> 7004186900000000000 ♠ 51 </Td> <Td> April 10, 2017 7002568000000000000 ♠ 1 year, 203 days </Td> <Td> Circuit Judge, Court of Appeals for the Tenth Circuit (2006--2017) </Td> <Td> Scalia </Td> </Tr> <Tr> <Td> </Td> <Td> Brett Kavanaugh February 12, 1965 Washington, D.C. </Td> <Td> Trump </Td> <Td> 50--48 </Td> <Td> 53 </Td> <Td> 7004196180000000000 ♠ 53 </Td> <Td> October 6, 2018 7001240000000000000 ♠ 24 days </Td> <Td> Circuit Judge, Court of Appeals for the D.C. Circuit (2006--2018) </Td> <Td> Kennedy </Td> </Tr> <Tr> <Th_colspan="9"> Source: </Th> </Tr> </Table> <Tr> <Th_colspan="2"> Justice / Birthdate and place </Th> <Th> Appointed by </Th> <Th> SCV </Th> <Th_colspan="2"> Age at </Th> <Th> Start date / Length of service </Th> <Th> Previous position </Th> <Th> Succeeded </Th> </Tr>

Who is the youngest judge currently sitting on the u.s. supreme court