Senate roll call 49 · 30th Congress · Mar 8, 1848
To amend the treaty so that mexicans who, living in U.S. Territory, shall drop their mexican citizenship, shall have religious freedom and protection of their l
On Mar 8, 1848, the Senate voted 44–5. Result: passed. By party: Democrats 30–0, Others 14–5.
During the 30th Congress (1847–1848), James K. Polk was president.
- Yes
- 44
- No
- 5
- Did not vote
- 23
- Date
- Mar 8, 1848
By party
- Democrats30 yes · 0 no · 17 didn’t vote
- Others14 yes · 5 no · 6 didn’t vote
How each senator voted: Yes
- Arthur Pendleton Bagby D-AL
- Dixon Hall Lewis D-AL
- Ambrose Hundley Sevier D-AR
- Chester Ashley D-AR
- John Milton Niles D-CT
- John Middleton Clayton O-DE
- Presley Spruance O-DE
- David Levy Yulee D-FL
- Herschel Vespasian Johnson D-GA
- John Macpherson Berrien O-GA
- Sidney Breese D-IL
- Stephen Arnold Douglas D-IL
- Edward Allen Hannegan D-IN
- Jesse David Bright D-IN
- John Jordan Crittenden O-KY
- Joseph Rogers Underwood O-KY
- Henry Johnson O-LA
- Solomon Weathersbee Downs D-LA
- John Davis O-MA
- Reverdy Johnson O-MD
- James Ware Bradbury D-ME
- Wyman Bradbury Seavy Moor D-ME
- Alpheus Felch D-MI
- Lewis Cass D-MI
- Henry Stuart Foote D-MS
- Jefferson Davis D-MS
- Willie Person Mangum O-NC
- Charles Gordon Atherton D-NH
- Jacob Welsh Miller O-NJ
- William Lewis Dayton O-NJ
- Daniel Stevens Dickinson D-NY
- John Adams Dix D-NY
- William Allen D-OH
- Daniel Sturgeon D-PA
- Simon Cameron D-PA
- Albert Collins Greene O-RI
- John Hopkins Clarke O-RI
- Andrew Pickens Butler D-SC
- John Caldwell Calhoun D-SC
- Hopkins Lacy Turney D-TN
- John Bell O-TN
- Thomas Jefferson Rusk D-TX
- James Murray Mason D-VA
- Robert Mercer Taliaferro Hunter D-VA
How each senator voted: No
- Roger Sherman Baldwin O-CT
- Daniel Webster O-MA
- George Edmund Badger O-NC
- John Parker Hale O-NH
- Thomas Corwin O-OH
Did not vote
- Benjamin Fitzpatrick D-AL
- William Rufus de Vane King D-AL
- Solon Borland D-AR
- William King Sebastian D-AR
- Jabez Williams Huntington O-CT
- John Wales O-DE
- James Diament Westcott Jr. D-FL
- Walter Terry Colquitt D-GA
- Augustus Caesar Dodge D-IA
- George Wallace Jones D-IA
- Thomas Metcalfe O-KY
- James Alfred Pearce O-MD
- Hannibal Hamlin D-ME
- John Fairfield D-ME
- Thomas Fitzgerald D-MI
- David Rice Atchison D-MO
- Thomas Hart Benton D-MO
- Jesse Speight D-MS
- Samuel Houston D-TX
- Samuel Shethar Phelps O-VT
- William Upham O-VT
- Henry Dodge D-WI
- Isaac Pigeon Walker D-WI
Other votes
From Voteview roll call records.
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Capitol Receipts, “To amend the treaty so that mexicans who…: Senate Vote, Mar 8, 1848,” https://www.capitolreceipts.com/vote/30-S-49/to-amend-the-treaty-so-that-mexicans-who-living (accessed 2026-10-17).