Born in Jefferson County, Virginia, Howard attended public schools and later studied law. He was admitted to the bar in 1840 and subsequently established a law practice.
Following the war, he served as member of the Ohio Senate from 1849 to 1852.
Congress
Howard was elected as a Democrat to the Thirty-sixth (March 4, 1859 – March 3, 1861). He was not a candidate for re-election.
Return to the military
He enrolled in the army following the outbreak of the Civil War and was commissioned as the major of the 59th Ohio Infantry, on August 11, 1861. He was promoted to lieutenant colonel and commanded the regiment at the Battle of Stones River. Howard resigned his commission on February 24, 1863, and returned home to resume his law practice.
Later career and death
Howard practiced law until his death in Batavia on June 1, 1891, at the age of 73. He was interred in the Batavia Union Cemetery.