----Source: 1881 HISTORY OF NORTHERN WI, Chicago: The Western Historical Company, A. T. Andreas, Proprietor (grammar as is), Pg. 576

S. A. COOK, merchant, Unity, was born in Canada, Jan. 28, 1849, and with the rest of the family moved to Wisconsin, on a farm in Calumet County. In 1864, he enlisted in the 2nd Wis. Cav. was mustered out in 1865, and returned home. In 1866, he took a trip around the States, looking for a homestead, but returned to Fond du Lac and opened a livery stable. Leaving this, he worked in the woods and in saw mills and then, with a capital of $400, he opened a store in Unity in 1873. He now carries $8,000 stock, and does a business of $50,000 a year, having a branch store at Abbotsford Junction is also interested in lumbering. In 1876, he married Miss Jennie Christie, of Calumet County. They have two children, Maud and Harry. Mr. Cook has been Treasurer of the town, and Notary Public, and is one of the charter members of the I. O. O. F. here. Miss Maggie Christie is one of the family, and has a millinery store.