Harry F. Byrd Sr.
Democratic
Undefeated: 6-0 career record
US Senate
Electoral Grade
A-
+18.9 pts
avg overperformance
Better than 85% of candidates4 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
6
Races
6-0
W-L (100%)
+61.7
Avg Margin
1934–1964
Career Span
Best: +93.3 (1940 Senate)Worst: 34.4 (1946 Senate)
Career Margin Trend6 races
Career Timeline
592,260
Candidate Votes
63.8%
Vote %
928,362
Total Votes
+44.8%
Margin
Electoral Performance
+43.5
Race Score
+46.5
vs. Natl. Baseline
D-1.8
State Pres.