IOLA—Made five trips to St. Paul 1853; in St. Paul trade 1854, 1855.
IONE—In Galena trade 1840; made pleasure trip Galena to St. Peters, 1840; Captain LeRoy Dodge, in Galena trade 1842, also 1845. (Captain James Ward, afterward one of the most successful steamboatmen from St. Louis, was carpenter on this boat.)
IOWA—Captain Legrand Morehouse, Clerk Hopkins, in Galena trade 1842; same captain, in Galena and St. Peters trade 1844, 1845. She was a side-wheel steamboat of 249 tons burden, and cost her captain $22,000 to build. Snagged and sunk at Iowa Island Sept. 10, 1845, in her third year; total loss.
IRENE—At Galena, for St. Peters, June, 1837.
IRON CITY—At Galena Nov. 7, 1844, from Pittsburg; at Galena Oct. 24, 1845; last boat out of Galena Nov. 28, 1845, at which date Fevre River closed; at Galena April 11, 1846, from St. Louis, Captain J. C. Ainsworth; same trade and same captain 1847, 1848; crushed and sunk by ice at St. Louis, Dec. 31, 1849, killing the cook and steward.
ISAAC SHELBY—At St. Paul Nov. 14, 1857; in Minnesota River trade 1858, 1859.
ITASCA—Side-wheel; new 1857; sister boat to "Key City"; 230 feet long, 35 feet beam; 560 tons; cylinders 22-inch, seven feet stroke; wheels 28 feet diameter, 10 feet buckets; Captain David Whitten, Clerks Chas. Horton and W. S. Lewis, 1857; Prairie du Chien and St. Paul 1857, 1858, 1859, Captain Whitten; St. Louis & St. Paul, Captain Whitten, 1860; Dunleith & St. Paul 1861, 1862, Captain J. Y. Hurd; burned at La Crosse Nov. 25, 1878.
J. BISSEL—Captain Bissell, from Pittsburg, 1857; in Minnesota River trade 1857, 1858.
J. B. GORDON—Minnesota River boat 1855.
J. M. MASON—Stern-wheel; sunk 1852, above Duck Creek Chain, Rock Island Rapids; hit rock and stove.