US Congressman, US Senator. He was a United States Representative from the State of Pennsylvania. He was born near Landisburg, Perry County, Pennsylvania, sometime in about 1800, but the exact date is currently unknown to historians. He was educated locally and attended the local common public schools. Following his education, he took an interest in politics and served in local political offices. He served as First Clerk to County Commissioner of Perry County, Pennsylvania, from 1820 to 1823, and as Sheriff of Perry County, Pennsylvania, from 1823 to 1826. He also served a term as a Member of the Pennsylvania State Senate from 1826 until his resignation on February 7, 1828, and then served as a Member of the Pennsylvania State Senate representing the 16th District from 1827 to 1832. He had succeeded Alexander Mahon and was succeeded by John C. Plumer for the same Senatorial seat. He then decided to run for a seat in the United States Congress and was elected to succeed the outgoing United States Representative George Burd (1788-1844), on March 4, 1833. A Member of the Jacksonian Party, he then served Pennsylvania's 13th District in the United States House of Representatives from March 4, 1833, until his resignation from office on October 30, 1836. While serving in the United States Congress, he was Chairman of the Committee on Invalid Pensions representing the Twenty-Third Congress and the Twenty-Fourth Congress. Following his term in the United States Congress, he was succeeded in office by the incoming United States Representative James Black (1793-1872), on December 5, 1836. He was then personally selected by then-President of the United States Andrew Jackson (1767-1845), to serve a term as the First Auditor of the United States Department of the Treasury from 1836 to 1842. He also served as Canal Commissioner of Pennsylvania from 1844 to 1845, and as Secretary of the Commonwealth of Pennsylvania from 1845 to 1848. He then resumed his former pursuits and worked as an editor with Printing, Publishing, and Allied Industries in Harrisburg, Pennsylvania, until his death on August 20, 1850, at the age of 49 or 50. He passed away following a short illness in Harrisburg, Pennsylvania, on August 20, 1850, at the age of about 49 or 50, and he was buried in Harrisburg Cemetery in Harrisburg, Pennsylvania. One of his obituaries of the times said of him, "Mr. Miller was a gentleman of decided ability, being both a good writer and a logical speaker. He was a kind husband, an indulgent father, and a citizen of the most irreproachable character." He was married to Eliza Miller, with whom he had four children, Emily Miller, Anne Miller, James Miller, and William Henry Miller, His son William Henry Miller (1829-1870), served as Clerk of the Supreme Court of Pennsylvania from 1854 to 1863, as Clerk of the Pennsylvania State Senate from 1858 to 1859, and as a Member United States House of Representatives representing Pennsylvania's 14th Congressional District from 1863 to 1865.