LUCAS, Robert, statesman, born in Shepherds-town, Virginia, 1 April, 1781; died in Iowa City, Iowa, 7 February, 1853. His father was a descendant of William Penn, and a captain in the Revolutionary army. The son removed to Ohio in 1800, and rose to the rank of major-general of militia. He was commissioned captain in the 19th United States infantry, 14 March, 1812, and lieutenant-colonel, 20 February, 1813, but resigned on 31 June, and served as brigadier-general of Ohio militia in defence of the frontier from 25 July till 19 September of that year He was a member of the Ohio legislature in 1814, and in 1832 presided over the Democratic national convention that nominated Andrew Jackson for a second term. General Lucas was governor of Ohio in 1832-'6, and in 1838-'41 was first territorial governor of Iowa. He was an active Freemason and a man of strong impulses, but of strict integrity.

LUCAS, Thomas John, soldier, born in Lawrence-burg, Indiana, 9 September. 1826. His father, Frederick, a native of Rennes, France, and a soldier of Napoleon's later campaigns, came to this country after the battle of Waterloo and settled in Baltimore, Maryland, where he learned the trade of a watchmaker. He afterward removed successively to Marietta and Cincinnati, Ohio, and Lawrenceburg, Indiana, where he married and passed the rest of his life. The son learned his father's trade, but enlisted for the Mexican war as a drummer-boy in the 4th Indiana volunteers, and rose to be lieutenant and adjutant. At the close of the war he resumed his former occupation, which he continued till 1861. He then raised a company, was chosen its captain, and joined the 16th Indiana regiment, of which he was commissioned lieutenant-colonel. After the battle of Bali's Bluff he covered the retreat of the National forces, crossing the Potomac in the last boat, and was promoted colonel. He opposed Kirby Smith's advance at Richmond, Kentucky, and then took part in all the operations around Vicksburg, where he was wounded three times. Afterward he was ordered to New Orleans and placed at the head of a cavalry brigade, with which he did good service in the Red river expedition, first in the advance, next in covering the retreat of Banks's army to Alexandria, and then in the advance again to the Mississippi. He was promoted brigadier-general of volunteers, 10 November, 1864, and commanded a division of cavalry in the operations around Mobile, investing Fort Blakely, defeating the Confederates at Claiborne, and leading raids into western Florida, southern Georgia, and Alabama. He was brevetted major-general of volunteers on 26 March, 1865, and after his command was mustered out he was ordered to New Orleans, by request of General Sheridan, to await the issue of the threatened complications with the French in Mexico. He left the service on 15 January, 1866, and returned to his home. He was employed in the United States revenue service in 1875-'81, and from the latter year till 31 December. 1885, was postmaster of his native town. In 1886 he was an unsuccessful Republican candidate for congress.