From "History of La Crosse County, Wisconsin", 1881, p. 749. City of La Crosse CAPT. P. S. DAVIDSON; was born in Lawrence Co., Ohio, in 1827, and, at the age of 25, entered the steamboat business, first on the Ohio River, where he remained four years, and then on the Mississippi, where he continued his business until 1862, when he came to La Crosse and settled. He at once came prominently before the public as an enterprising, go-ahead steamboat man, and has maintained his position at the head of the business ever since, and is at present President of the St. Louis & St. Paul Passenger and Freight Line, a company which was organized in the spring of 1881. Mr. Davidson is also the owner of two saw-mills in the Fifth Ward with a combined capacity of 200,000 feet per day. He was married in 1861 in Lawrence Co., Ohio, to Miss Johnson, daughter of Judge Johnson, of that county. Has had eight children, of whom five are living, namely - William F., P. S., Arthur, Frank and Louis. [I am not related to this family and have no further information. I'm posting this as a service and hope it helps!]