Senate roll call 187 · 80th Congress · May 21, 1948
S 1004. Amend the atomic energy act of 1949. On passage over pres.' veto.
On May 21, 1948, the Senate voted 47–29 (S 1004). Result: passed. By party: Republicans 49–2, Democrats 9–31. It was a split vote: the parties took opposite sides, with some members crossing over. 11 members voted against their own party.
During the 80th Congress (1947–1948), Harry S. Truman was president, and Republicans held majorities in both the House and Senate.
- Yes
- 47
- No
- 29
- Did not vote
- 2
- Date
- May 21, 1948
By party
- Democrats9 yes · 31 no · 2 didn’t vote
- Republicans49 yes · 2 no
Who broke with their party
- John Little Mcclellan D-AR voted yes
- Sheridan Downey D-CA voted yes
- Spessard Lindsey Holland D-FL voted yes
- Richard Brevard Russell Jr. D-GA voted yes
- James Oliver Eastland D-MS voted yes
- William Langer R-ND voted no
- Wayne Lyman Morse R-OR voted no
- Arthur Thomas Stewart D-TN voted yes
- Kenneth Douglas Mckellar D-TN voted yes
- Absalom Willis Robertson D-VA voted yes
- Harry Flood Byrd D-VA voted yes
How each senator voted: Yes
- John Little Mcclellan D-AR
- Sheridan Downey D-CA
- William Fife Knowland R-CA
- Eugene Donald Millikin R-CO
- Raymond Earl Baldwin R-CT
- Clayton Douglass Buck R-DE
- John James Williams R-DE
- Spessard Lindsey Holland D-FL
- Richard Brevard Russell Jr. D-GA
- Bourke Blakemore Hickenlooper R-IA
- George Allison Wilson R-IA
- Henry Clarence Dworshak R-ID
- Charles Wayland Brooks R-IL
- Homer Earl Capehart R-IN
- William Ezra Jenner R-IN
- Arthur Capper R-KS
- Clyde Martin Reed R-KS
- John Sherman Cooper R-KY
- Henry Cabot Lodge Jr. R-MA
- Leverett Saltonstall R-MA
- Ralph Owen Brewster R-ME
- Wallace Humphrey White Jr. R-ME
- Arthur Hendrick Vandenberg R-MI
- Homer Samuel Ferguson R-MI
- Edward John Thye R-MN
- Joseph Hurst Ball R-MN
- Forrest C. Donnell R-MO
- James Preston Kem R-MO
- James Oliver Eastland D-MS
- Zales Nelson Ecton R-MT
- Milton Ruben Young R-ND
- Hugh Alfred Butler R-NE
- Kenneth Spicer Wherry R-NE
- Charles William Tobey R-NH
- Henry Styles (Styles) Bridges R-NH
- Albert Wahl Hawkes R-NJ
- Howard Alexander Smith R-NJ
- George Wilson Malone R-NV
- Irving McNeil Ives R-NY
- John William Bricker R-OH
- Robert Alphonso Taft R-OH
- Edward Hall Moore R-OK
- Guy Cordon R-OR
- Edward Martin R-PA
- Harlan John Bushfield R-SD
- John Chandler (Chan) Gurney R-SD
- Arthur Thomas Stewart D-TN
- Kenneth Douglas Mckellar D-TN
- Arthur Vivian Watkins R-UT
- Absalom Willis Robertson D-VA
- Harry Flood Byrd D-VA
- George David Aiken R-VT
- Ralph Edward Flanders R-VT
- Harry Pulliam Cain R-WA
- Alexander Wiley R-WI
- Joseph Raymond Mccarthy R-WI
- William Chapman Revercomb R-WV
- Edward Vivian Robertson R-WY
How each senator voted: No
- John Jackson Sparkman D-AL
- Joseph Lister Hill D-AL
- James William Fulbright D-AR
- Carl Trumbull Hayden D-AZ
- Ernest William Mcfarland D-AZ
- Edwin Carl Johnson D-CO
- Brien Mcmahon D-CT
- Claude Denson Pepper D-FL
- Walter Franklin George D-GA
- Scott Wike Lucas D-IL
- Alben William Barkley D-KY
- Allen Joseph Ellender D-LA
- Herbert Romulus O'Conor D-MD
- Millard Evelyn Tydings D-MD
- John Cornelius Stennis D-MS
- James Edward Murray D-MT
- Clyde Roark Hoey D-NC
- William Bradley Umstead D-NC
- William Langer R-ND
- Carl Atwood Hatch D-NM
- Dennis Chavez D-NM
- Robert Ferdinand Wagner D-NY
- John William Elmer Thomas D-OK
- Wayne Lyman Morse R-OR
- Francis John Myers D-PA
- James Howard Mcgrath D-RI
- Theodore Francis Green D-RI
- Olin DeWitt Talmadge Johnston D-SC
- Thomas Terry (Tom) Connally D-TX
- Elbert Duncan Thomas D-UT
- Warren Grant Magnuson D-WA
- Harley Martin Kilgore D-WV
- Joseph Christopher O'Mahoney D-WY
Voted present
Did not vote
Other votes
From Voteview roll call records.
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Capitol Receipts, “S 1004. Amend the atomic energy act of 1949…: Senate Vote, May 21…,” https://www.capitolreceipts.com/vote/80-S-187/s-1004-amend-the-atomic-energy-act-of-1949 (accessed 2026-10-17).