|District||Vacator||Reason for change||Successor||Date of successor's|
|Texas 8||Daniel E. Garrett (D)||Incumbent died December 13, 1932.||Joe H. Eagle (D)||January 28, 1933|
|Arizona at-large||Lewis W. Douglas (D)||Incumbent resigned March 3, 1933 to become Director of U.S. Office of Management and Budget.
New member elected October 3, 1933.
|Isabella Greenway (D)|
- This is the date the member was seated or an oath administered, not necessarily the same date her/his service began.