1970Final results
1970 Republican primary for Missouri House District 143
Missouri House of Representatives · Missouri
Marvin Kennon (R) won with 66.1% of the vote, defeating Don E. Gaines (R) by 32.2 points.
Marvin KennonRepublican · winner
66.1%2,213
Don E. GainesRepublican
33.9%1,136
3,349 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET