Matthew Keenan was a member of the Wisconsin State Assembly.
Matthew Keenan Wikipedia
Keenan was born in 1825. He would eventually become Vice-President of what is now Northwestern Mutual. Keenan died in 1898 and was buried at Calvary Cemetery in Milwaukee, Wisconsin.
Keenan was a member of the Assembly during the 1871 session. Other positions he held include Milwaukee alderman. He was a Democrat.