| March 3, 1891 26 Stat. 826 |
Congress established U.S. circuit courts of appeals for each of the nine judicial circuits and assigned the sitting judge of the U.S. Circuit Court for the Fourth Circuit to sit also on the U.S. Circuit Court of Appeals for the Fourth Circuit, effective June 16, 1891. The act also authorized an additional judgeship for the Fourth Circuit's new court. |
| September 14, 1922 42 Stat. 837 |
One additional judgeship authorized for the U.S. Circuit Court of Appeals for the Fourth Circuit. |
| May 19, 1961 75 Stat. 80 |
Two additional judgeships authorized for the U.S. Court of Appeals for the Fourth Circuit. |
| March 18, 1966 80 Stat. 75 |
Two additional judgeships authorized for the U.S. Court of Appeals for the Fourth Circuit. |
| October 20, 1978 92 Stat. 1629 |
Three additional judgeships authorized for the U.S. Court of Appeals for the Fourth Circuit. |
| July 10, 1984 98 Stat. 333 |
One additional judgeship authorized for the U.S. Court of Appeals for the Fourth Circuit. |
| December 1, 1990 104 Stat. 5089 |
Four additional judgeships authorized for the U.S. Court of Appeals for the Fourth Circuit. |
| Authorized Judgeships | |
| 1891 | 2 |
| 1922 | 3 |
| 1961 | 5 |
| 1966 | 7 |
| 1978 | 10 |
| 1984 | 11 |
| 1990 | 15 |