John D. Cummins was a U.S. Representative

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 Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

.

Born in Pennsylvania in 1791, Cummins attended the public schools, and was graduated from Jefferson College, Canonsburg, Pennsylvania

Canonsburg, Pennsylvania

Canonsburg is a borough in Washington County, Pennsylvania, southwest of Pittsburgh. Canonsburg was laid out by Colonel John Canon in 1789 and incorporated in 1802....

, in 1834.
He studied law.
He was admitted to the bar

Admission to the bar in the United States

In the United States, admission to the bar is the granting of permission by a particular court system to a lawyer to practice law in that system. Each U.S. state and similar jurisdiction has its own court system and sets its own rules for bar admission , which can lead to different admission...

 and commenced practice in New Philadelphia, Ohio

New Philadelphia, Ohio

New Philadelphia is a city in Tuscarawas County, Ohio, United States, 71 miles south of Cleveland on the Tuscarawas River. It was first incorporated in 1808. Coal and clay are found in the vicinity...

.
He served as prosecuting attorney of Tuscarawas County

Tuscarawas County, Ohio

Tuscarawas County is a county located in the eastern part of the state of Ohio. As of the 2010 census, the population was 92,582. Its county seat is New Philadelphia...

 from 1836 to 1841.

Cummins was elected as a Democrat

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 to the Twenty-ninth

29th United States Congress

-House of Representatives:During this congress, two House seats were added for each of the new states of Texas and Iowa.-Leadership:-Senate:* President: George M. Dallas * President pro tempore: Willie P. Mangum...

 and Thirtieth

30th United States Congress

The Thirtieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1847 to March 3, 1849, during the last two years of...

 Congresses (March 4, 1845 – March 3, 1849).
He died in Milwaukee, Wisconsin

Milwaukee, Wisconsin

Milwaukee is the largest city in the U.S. state of Wisconsin, the 28th most populous city in the United States and 39th most populous region in the United States. It is the county seat of Milwaukee County and is located on the southwestern shore of Lake Michigan. According to 2010 census data, the...

, while attending a session of the circuit court, September 11, 1849.