Born near
Brownsville, Indiana, Cason moved to
Boone County with his parents, who settled on a farm near
Thorntown in 1832. He attended the common schools, and taught school in Boone County for several years. He studied law in
Crawfordsville, Indiana to gain
admission to the bar in 1850, commencing practice in
Lebanon, Indiana.
Early political career He served as member of the
Indiana House of Representatives from 1861 to 1864, and of the
Indiana State Senate from 1864 to 1867. In April 1867,
Governor Conrad Baker appointed Cason to be a common pleas judge of Boone County, to which office he was subsequently elected in October 1867 for a term of four years. He declined reelection in 1871, and resumed the practice of law. ==Congress ==