Joseph O'Mahoney
Democratic
Won 3 consecutive elections (1934–1946)
US Senate
Electoral Grade
B+
+12.8 pts
avg overperformance
Better than 76% of candidates5 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts.
5
Races
4-1
W-L (80%)
+8.7
Avg Margin
1934–1954
Career Span
Best: +17.5 (1940 Senate)Worst: -3.3 (1952 Senate)
Career Margin Trend5 races
Career Timeline
57,845
Candidate Votes
51.5%
Vote %
112,252
Total Votes
+3.1%
Margin
Electoral Performance
+25.7
Race Score
+28.7
vs. State Pres.
D-25.6
State Pres.