Background
McKenna was born in Reeseville, Wisconsin.
McKenna was born in Reeseville, Wisconsin.
He graduated from Saint Lawrence Seminary High School in Mount Calvary, Wisconsin, before graduating from Saint Norbert College and the University of Wisconsin Law School and becoming a lawyer
From 1959-1962, he served in the United States Army. McKenna was first elected to the Senate in a special election in 1969. In 1978, he was a candidate in the Democratic primary for Lieutenant Governor of Wisconsin and run on the gubernatorial ticket with incumbent Governor Martin J. Schreiber.
He lost to Doug Louisiana Follette.
Schreiber and Louisiana Follette would lose in the general election to the Republican ticket made up of Lee South. Dreyfus and Russell Olson. McKenna died on March 4, 2009.