| September 24, 1789 1 Stat. 73 |
July 24, 1946 60 Stat. 654 |
February 10, 1954 68 Stat. 8 |
July 10, 1984 98 Stat. 333 |
| Bedford, Gunning, Jr. 1789-1812 |
Rodney, Richard S. 1946-1957 |
Wright, Caleb M. 1955-1973 |
Farnan, Joseph J., Jr. 1985-2010 |
| Fisher, John 1812-1823 |
Layton, Caleb R., III 1957-1968 |
Schwartz, Murray M. 1974-1989 |
Andrews, Richard G. 2011-2023 |
| Hall, Willard 1823-1871 |
Latchum, James L. 1968-1983 |
McKelvie, Roderick R. 1992-2002 |
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| Bradford, Edward G. 1871-1884 |
Longobardi, Joseph J. 1984-1997 |
Jordan, Kent A. 2002-2006 |
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| Wales, Leonard E. 1884-1897 |
Sleet, Gregory M. 1998-2017 |
Stark, Leonard P. 2010-2022 |
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| Bradford, Edward G., II 1897-1918 |
Noreika, Maryellen 2018- |
Williams, Gregory B. 2022- |
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| Morris, Hugh M. 1919-1930 |
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| Nields, John P. 1930-1941 |
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| Leahy, Paul C. 1942-1957 |
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| Steel, Edwin D., Jr. 1958-1969 |
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| Stapleton, Walter K. 1970-1985 |
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| Roth, Jane R. 1985-1991 |
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| Robinson, Sue L. 1991-2017 |
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| Connolly, Colm F. 2018- |