John Donnan Fredericks 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 California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

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Born in Burgettstown, Pennsylvania

Burgettstown, Pennsylvania

Burgettstown is a borough in Washington County, Pennsylvania, United States. It is a suburb of Pittsburgh, Pennsylvania. The population was 1,576 according to the 2000 census.-History:...

, Fredericks attended the public schools and Washington and Jefferson College, Washington, Pennsylvania

Washington, Pennsylvania

Washington is a city in and the county seat of Washington County, Pennsylvania, United States, within the Pittsburgh Metro Area in the southwestern part of the state...

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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...

 in 1896 and commenced practice in Los Angeles, California

Los Angeles, California

Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

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He served as an adjutant in the Seventh Regiment, California Volunteer Infantry, during the Spanish-American War in 1898.
He served as district attorney of Los Angeles County 1903-1915.
He was an unsuccessful Republican candidate for Governor of California in 1915.

Fredericks was elected as a Republican

Republican Party (United States)

The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

 to the Sixty-eighth

68th United States Congress

The Sixty-eighth 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, 1923 to March 4, 1925, during the last months of...

 Congress to fill the vacancy caused by the death of Henry Z. Osborne

Henry Z. Osborne

Henry Zenas Osborne was an American Republican politician.Born in New Lebanon, New York, he was elected to the United States House of Representatives from California and served from March 4, 1917, until his death. Osborne died at age 74 in Los Angeles, California. He is interred in...

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He was reelected to the Sixty-ninth

69th United States Congress

The Sixty-ninth 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, 1925 to March 4, 1927, during the third and fourth...

Congress and served from May 1, 1923, to March 3, 1927.
He was not a candidate for renomination in 1926.
He resumed the practice of law at Los Angeles where he died August 26, 1945.
He was interred in Forest Lawn Memorial Park.