Sen. Michael “Mike” Mansfield

Former Senator from Montana

Elected Positions

Dates Title / State / District
1959-1976 Senator,
1953-1958 Senator,
1947-1952 Representative,
Montana's 1st District
1943-1946 Representative,
Montana's 1st District

See Also: Bioguide


Sponsorship Analysis

Mansfield was a rank-and-file Democrat according to GovTrack's own analysis of bill sponsorship from Mansfield’s time serving in the Senate. Mansfield’s bills had a total of 139 cosponsors in the 94th Congress.

Use this chart to compare Mansfield to other members of the Senate in the 94th Congress on leadership and ideology.

This chart is based on principal components analysis for ideology and PageRank for leadership. See analysis methodology.

Bills Sponsored

Some of Mansfield’s most recently sponsored bills include...

View All » (including bills from previous years)

Voting Record

From Jan 1953 to Oct 1976, Mansfield missed 648 of 6,795 roll call votes, which is 9.5%. This is better than the median of 11.7% among the lifetime records of senators serving in Oct 1976. The chart below reports missed votes over time.

Show the numbers...

Primary Sources

The information on this page is originally sourced from a variety of materials, including: