History of northern Wisconsin: containing an account of its settlement, growth, development, and resources, an extensive sketch of its counties, cities, towns and villages, their improvements, industries, manufactories, biographical sketches, portraits of prominent men and early settlers, views of county seats, etc. Chicago: Western Historical Co., 1881. p.1146

O. F. Freeman, engineer, was born in Washtenaw Co., Mich., in 1840. In 1864, engaged in milling in Flint, Mich., firm of Flanders & Freeman; sold out about two years later, and for some ten years off and on was engaged in livery business; went again into milling firm- Freeman Bros., and sold out in 1877; then moved to Greenville, Montcalm Co.; opened livery, and also bought a saw-mill; burnt out same year. Mr. Freeman then went to Bangor, Mich., and built and started chemical works for H. M. Peirce & Co., of New York; continued in charge for about one year, when he moved to Wisconsin; located in Oshkosh, in 1880. For about one year, was with the Wisconsin Manufacturing Company; then took present position. He was married in Bangor, Mich., March 16, 1879, to Miss Melinda Crowner, of Bangor. They have one child- Alda L.