Robert Hanna

Marriage and family Hanna Jr. married Sarah Mowery (or Mowrey) on March 18, 1813, in Brookville. She was born in Virginia and died at Indianapolis, Indiana. Robert and Sarah Hanna were the parents of ten children: Valentine Claiborne Hanna, Captain Robert Barlow Hanna, James Fulton Hanna, William Harrison Hanna, Thomas Jefferson Hanna, George Washington Hanna, David Graem Hanna Jr., Catherine Mary Hanna, Captain Joseph Madison Hanna, and Captain Jonathan Littlejohn Hanna.

Hanna later married Olive Catherwood.

Career William Henry Harrison, the governor of the Indiana Territory, appointed Hanna as sheriff of the territory's eastern district in 1809. When Franklin County was established in 1811 Hanna became its first sheriff. On August 5, 1818, he won the election for Franklin County sheriff, beating John Allen, his opponent, 426 votes to 118. Hanna continued to serve as sheriff of Franklin County's common pleas court until 1820.

On May 13, 1816, Hanna was elected as one of the forty-three delegates to the 1816 Indiana Constitutional Convention at Corydon, Indiana, where the delegation considered statehood for the Indiana Territory and drafted the state's first constitution. Hanna was one of Franklin County's five representatives, which also included James Noble, who became Indiana's first U.S. Senator after it achieved statehood in 1816. When a state militia was organized in 1817, Hanna served as a brigadier general in its Sixth Brigade, Third Division.

In 1820 Hanna became the first registrar of the United States General Land Office at Brockville. The land-office building, now demolished, was located across the street from Hanna's Brookville residence. When the Indiana General Assembly relocated the federal land office Indianapolis in 1825, Hanna moved to the state capital and continued his work at the land office until 1830.

Hanna, who later became a contractor to build the National Road,

Indiana governor Noah Noble appointed Hanna to the U.S. Senate James Noble's death in 1831. Hanna became the third U.S. Senator from Indiana after statehood, with Noble and Waller Taylor preceding him in the office. Hanna served slightly longer than four months, from August 19, 1831, to January 3, 1832. After his return to Indianapolis, Hanna represented Marion County in the Indiana House of Representatives, where he served multiple terms: 1832–33 (Seventeenth Regular Session) and 1836–39 (Twenty-first, Twenty-second, and Twenty-third Regular Sessions). At the end of his political career Hanna represented Marion County in the Indiana Senate: 1840–41 (Twenty-fifty Regular Session) and 1842–46.

Death and legacy Hanna was hit and instantly killed by a train locomotive as he was walking along the Peru and Indianapolis Railroad track in Indianapolis on November 16, 1858. His remains are interred at Crown Hill Cemetery in Indianapolis (Section 2, Lot 131).

Hanna is remembered for his public service as the Franklin County sheriff during the final years of Indiana's territorial government and as one of the county's elected delegates to the 1816 Indiana Constitutional Convention. Hanna became a leader in the state militia in the early years of Indiana's statehood and worked as a registrar in the federal land office. His political career included an appointment to the U.S. Senate and several years as a representative of Marion County in the upper and lower houses of the state legislature.