Education
He attended public and private schools and King College in Bristol, Tennessee. He studied law, was admitted to the Alabama bar, at the age of nineteen.
He attended public and private schools and King College in Bristol, Tennessee. He studied law, was admitted to the Alabama bar, at the age of nineteen.
He moved to Chattanooga in 1874, was admitted to the Tennessee Bar Association and commenced practice in Chattanooga, Tennessee. Their two children are Anna Mary Moon and William Deaderick Moon. Moon was the city attorney of Chattanooga in 1881 and 1882.
Commissioned in May 1889 as a special circuit judge, and twice reappointed, he held the office until January 3, 1891.
He was appointed regular judge for the fourth circuit and served until August 1892. He was elected circuit judge in 1892,and was re-elected in 1894 for a term of eight years, but he resigned when he was elected to Congress.
Elected as a Democrat to the Fifty-fifth and the eleven succeeding Congresses, Moon served from March 4, 1897 to March 3, 1921. He was chairman of the United States House Committee on Post Office and Post Roads during the Sixty-second through Sixty-fifth Congresses.
He was a delegate to the Democratic National Convention in 1900.
Moon was renominated for Congress in 1921, but before election, hr was taken ill and died in Chattanooga, Tennessee on June 26, 1921 (age 66 years, 65 days). He is interred at Forrest Hill Cemetery.
He was a member of the state Democratic executive committee in 1888.