Hiram McCullough was a U.S. Congressman

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 from Maryland

Maryland

Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

, serving two terms from 1865—1869.

Born near Elkton, Maryland

Elkton, Maryland

The town of Elkton is the county seat of Cecil County, Maryland, United States. The population was 11,893 as of the 2000 census and 14,842 according to current July 2008 census estimates. It is the county seat of Cecil County...

, McCullough pursued an academic course at Elkton Academy and later studied law. He was admitted to the bar in 1837, commencing practice in Elkton. He served in the Maryland State Senate

Maryland State Senate

The Maryland Senate, sometimes referred to as the Maryland State Senate, is the upper house of the General Assembly, the state legislature of the U.S. state of Maryland...

 from 1845 until 1851, and was an unsuccessful candidate in 1850 for election to the Thirty-second Congress. In 1850, he was appointed one of the codifiers of the laws of Maryland.

In 1864, McCullough was elected as a Democrat to the Thirty-ninth and Fortieth Congresses, serving Maryland's 1st Congressional district from March 4, 1865 until March 3, 1869. He resumed the practice of law and was for many years counsel for the Philadelphia, Wilmington & Baltimore Railroad. He was a delegate to the Democratic National Convention

Democratic National Convention

The Democratic National Convention is a series of presidential nominating conventions held every four years since 1832 by the United States Democratic Party. They have been administered by the Democratic National Committee since the 1852 national convention...

 in 1864 and 1868, and later served as a member of the Maryland House of Delegates

Maryland House of Delegates

The Maryland House of Delegates is the lower house of the General Assembly, the state legislature of the U.S. state of Maryland, and is composed of 141 Delegates elected from 47 districts. The House chamber is located in the state capitol building on State Circle in Annapolis...

 in 1880 and 1881. He was elected Speaker of the House

Speaker of the Maryland House of Delegates

The Speaker of the Maryland House of Delegates presides as speaker over the House of Delegates in the state of Maryland in the United States.-List of Speakers of the House of Delegates:- References :*...

in 1880. He died in Elkton in 1885, and is interred in Presbyterian Cemetery.