ROBERT BRENNAN was born in Carlton county, Canada West, on the 20th of March, 1845. When young, he learned the cooper's trade of his father, working at it until the year 1872, when he came to Minnesota. For a year he lived on a farm in Minden township, Benton county. Then moved to the farm on which he lives, and has devoted his whole time to its cultivation. On the 27th of April, 1869, he was married to Miss Johanna Madigan. They have five children.

History of the Upper Mississippi Valley (1881) p. 365 [St George]