22 years 6 months 17 days : Length of time his father , Rep. John Dingell Sr. , served in the House -- March 3 , 1933-September 19-1955 . Rep. John Dingell became longest-serving member of Congress on Friday . Dingell 's record eclipses that of former Sen. Robert Byrd of West Virginia . Contrast that with the 60 days that Dean Barkley served to finish Paul Wellstone 's term . Comment:
Rep. John Dingell became longest-serving member of Congress on Friday . Dingell 's record eclipses that of former Sen. Robert Byrd of West Virginia . Contrast that with the 60 days that Dean Barkley served to finish Paul Wellstone 's term . Comment: