Attempting to keep a running list of Senate and House resignations with notes on reason for resignation if any.
{Senate }
Bob Corker, Tennessee [R]
Jeff Flake, Arizona [R]
Orrin Hatch, Utah [R]
Thad Cochran, Mississippi [R]
No-Name-McStain, Arizona [R] (Treason)(Cancer †)
Al Franken, Minnesota [D] (Sexual Harassment)
{House}
Paul Ryan, Wisconsin 1st district [R]
Bob Goodlatte, Virginia 6th district [R]
Jeb Hensarling, Texas 5th district [R]
Rodney Frelinghuysen, New Jersey 11th district [R]
Trey Gowdy, South Carolina 4th district [R]
Darrell Issa, California 49th district [R]
Joe Barton, Texas 6th district [R] (Extramarital Affairs Leaked Online)
Lamar Smith, Texas 21st district [R]
Ileana Ros-Lehtinen, Florida 27th district [R]
Charlie Dent, Pennsylvania 15th district [R]
Dave Reichert, Washington state 8th district [R]
Pat Tiberi, Ohio 12th district [R]
Frank LoBiondo, New Jersey 2nd district [R]
Lynn Jenkins, Kansas 2nd district [R]
Sam Johnson, Texas 3rd district [R]
John Duncan Jr., Tennessee 2nd district [R]
Ted Poe, Texas 2nd district [R] (Leukemia †)
Dave Trott, Michigan 11th district [R]
Ryan Costello, Pennsylvania 6th district [R]
Trent Franks, Arizona 8th district [R] (Asked his staff to be surrogates for wife's baby)
Blake Farenthold, Texas 27th district [R] (Ethics Committee Inquiry alleged behavior)
Bill Shuster, Pennsylvania 9th district [R]
Gregg Harper, Mississippi 3rd district [R] (Sexual Harassment)
Ed Royce, California 39th district [R]
Patrick Meehan, Pennsylvania 7th district [R] (Sexual Harassment)
Tom Rooney, Florida 17th district [R]
Dennis Ross, Florida 15th district [R]
Luis Gutierrez, Illinois 4th district [D]
John Conyers, Michigan 13th district [D] (Sexual Harassment)
Sander Levin, Michigan 9th district [D]
Bob Brady, Pennsylvania 1st district [D] {FBI Investigation)
Carol Shea-Porter, New Hampshire 1st district [D]
Niki Tsongas, Massachusetts 3rd district [D]
Gene Green, Texas 29th district [D]
Ruben Kihuen, Nevada 4th district [D] (Sexual Harassment)
Rick Nolan, Minnesota 8th district [D]
Elizabeth Esty, Connecticut 5th district [D]
sauce: https://www.theatlantic.com/politics/archive/2018/04/the-2018-congressional-retirement-tracker/545723/