McKEAN, Thomas Jefferson, soldier, born in Burlington, Bradford County, Pennsylvania, 21 August, 1810; died in Marion, Iowa, 19 April, 1870. He was graduated at the United States military academy in 1831, and assigned to the 4th infantry, but resigned in 1834 and engaged in civil engineering. During the Florida war he was adjutant of the 1st regiment of Pennsylvania volunteers, and, failing to obtain a commission, he served as a private of Iowa volunteers during the Mexican war, where he was wounded at Churubusco, and in June, 1848, brevetted 2d lieutenant of dragoons, but declined and returned to civil engineering. He became paymaster in the United States army in June, 1861, in November of this year was appointed brigadier-general of volunteers, served in the Mississippi campaign in April and May, 1862, and participated in the battle of Corinth. He was in command of the northeast district of Missouri in 1863, and of the district of Kansas from March to August, 1864, was chief of cavalry on the Gulf of Mexico from September till October, and in December was in command of the western district of Florida. He was brevetted major-general of volunteers in March, 1865, and in August mustered out of volunteer service. He then settled near Marion, Iowa, engaged in farming, and in 1869 was appointed pension-agent for the eastern district of the state, but declined. In 1868 he was a delegate to the Chicago National Republican convention.