From "History of La Crosse County, Wisconsin", 1881, p. 747. City of La Crosse C. A. COLBY, is a native of Norway, born in 1846; son of Anders Colby. He was married in Norway in 1870, to Lise Tostensen, and has two children - Lottie and Carrie. Came to the United States in 1872, and has resided in La Crosse ever since. He was in the employ of C. B. Solberg till July, 1877, since which time he has been in the saloon business for himself, now located on Pearl street. [I am not related to this family and have no further information. I'm posting this as a service and hope it helps!]