Education
He attended the common schools and the normal school at Lebanon, Ohio.
United States representative lawyer politician
He attended the common schools and the normal school at Lebanon, Ohio.
Pearson served as a private in Company I, One Hundred and Eighty-Sixth Regiment, Ohio Volunteer Infantry, during the Civil War. He was admitted to the bar in 1868 and commenced practice in Woodsfield, Ohio. He served as the prosecuting attorney of Monroe County, Ohio, from 1871 to 1877.
He was a probate judge of Monroe County from 1884 to 1890.
Pearson was elected as a Democrat to the Fifty-second and Fifty-third Congresses (March 4, 1891 - March 3, 1895). He was not a candidate for reelection in 1894 to the Fifty-fourth Congress, and instead resumed the practice of his profession.
Pearson died in Woodsfield on May 15, 1905, and was interred in Woodsfield Cemetery.
He served as member of the Ohio Senate in 1881 and 1882.