Columbia Lancaster ( born August 26, 1803 in New Milford, Connecticut, † September 15, 1893 in Vancouver, Washington ) was an American politician. From 1853 to 1855 he represented the Washington Territory as a delegate in the U.S. House of Representatives.
In 1817, Columbia Lancaster moved with his parents to Canfield, Ohio, where he attended the public schools. In 1824 he moved to Detroit in the Michigan Territory. After a subsequent study of law and its made in 1830 admitted to the bar he began in Centreville to work in his new profession. The reigning until 1831 territorial governor Lewis Cass appointed him to the prosecutor in this territory. He was also a member of the Territorial House of Representatives.
In 1847, Lancaster moved to the Willamette Valley in Oregon Territory, which included at that time also the areas of the future state of Washington. He was 1847-1849 Justice of the Supreme Court in its new home. He then moved his place of residence in the area at the mouth of the Lewis River in what is now Washington state.
Lancaster was a member of the Democratic Party. In 1848, he ran unsuccessfully as a convention delegate for the Oregon Territory. Between 1850 and 1852 he was a member of the Governing Council of the area. After the founding of Washington Territory in 1853 as Lancaster was its first delegate to Congress in Washington DC selected. He resigned on April 12, 1854 at its new mandate. As he had all the delegates there is no official vote. Until March 3, 1855 he ended the current legislative period in the U.S. House of Representatives. For the congressional elections of 1854 Lancaster was not nominated by his party.
After his time in the U.S. House of Representatives Lancaster returned to the Washington Territory. In 1862 he was a board member of the University of Washington in Seattle. At that time he was also involved in the railway project of the Puget Sound & Columbia River Railroad. Columbia Lancaster died in September 1893 in Vancouver in 1889 founded the state of Washington.