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Data through Sep 17, 2026Compare members
The Vote Ledger
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Brien McMahon

Senator from Connecticut
SENATEDEMOCRAT1945–1953ID M000559
Compare
LegislationHEADLINE
86%with Dems
of 691 votes
Nominations
—with Dems
of 0 · confirmations only
All contested
86%with Dems
of 691 · both combined
Steepest move
+10 pts
1949 → 1951
still a Democrat

Career arc

Legislation leads. Each point is one Congress: how often they sided with the Democratic majority on contested bills, resolutions and amendments.

100%75%50%25%0%sides with Democrats ↑sides with Republicans ↓19451951
1951–5282nd Congress
Sat as a Democrat
91.5%with Democrats
of 141 contested votes
Votes for this Congress are open below
Steepest move: 1949 → 1951, +10 pts — while still a Democrat.
Sat as a DemocratSat as a RepublicanVotes available below

Votes

Every roll call before 1973 has no description. These rows carry a date, usually a bill number, how they voted and which side that matched — nothing is filled in by hand.

DateBillVoteTypeCastSided with
Jun 30, 1952H.R. 7391No description in the source recordLEGISLATIONYEABOTH · NOT SCORED
Jun 30, 1952H.R. 7391No description in the source recordLEGISLATIONNAYBOTH · NOT SCORED
Jun 27, 1952H.R. 5678No description in the source recordLEGISLATIONNAYNEITHER · NOT SCORED
Full textNo description in the source record. What survives: the date, the bill number (H.R. 5678), how they voted and which side that matched.Party majoritiesDemocrats Yea · Republicans YeaCounts toward scoreNo — both party majorities voted Yea.
Where this lands
NAYVoted against both majorities — not scored
Jun 18, 1952S.Res. 331No description in the source recordLEGISLATIONNAYNEITHER · NOT SCORED
Jun 18, 1952S.Res. 330No description in the source recordLEGISLATIONNAYNEITHER · NOT SCORED
Jun 18, 1952S.Res. 317No description in the source recordLEGISLATIONNAYNEITHER · NOT SCORED
Jun 18, 1952S.J.Res. 27No description in the source recordLEGISLATIONNAYDEM MAJORITY
Jun 12, 1952S. 2594No description in the source recordLEGISLATIONYEADEM MAJORITY
Jun 11, 1952S. 2594No description in the source recordLEGISLATIONYEADEM MAJORITY
9 most recent roll calls shown · 141 contested votes scored in the 82nd CongressAll votes this Congress →

By policy area

career · legislation
The record carries no policy area for any of these roll calls, so there is nothing to break out.

Service record

4 Congresses
79th · 194582nd · 1951
Democrat · Senate · CT79th–82nd
Term datesexact
Members · Connecticut
BM

Brien McMahon

Senator from Connecticut
SENATED1945–19534 CONGRESSES
Compare
LegislationHEADLINE
86.4%with Democrats
of 691 votes · 13.6% with Republicans
Nominations—of 0 votes
All contested86%of 691 · combined
Steepest move+10 pts1949→51, as a Democrat

Career arc

10050019451951
1951–52 · 82nd · Democrat · of 141 votes91.5%

Legislation leads. Tap a point to read that Congress.

Votes

Every roll call before 1973 has no description. These rows carry a date, a bill number where one exists, how they voted and which side that matched.
Democratic majorityYea
Republican majorityYea
Counts toward scoreNo
Open roll call
Latest 6 shown · 141 contested votes scored in the 82nd

By policy area

career

The record carries no policy area for any of these roll calls.

Service record

79th · 194582nd · 1951
Democrat79th–82nd

Party switchers

John Alexander LoganD→R · IL · 40thWesley Wade WatkinsD→R · OK · 105thBen Nighthorse CampbellD→R · CO · 104th
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