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.1145

William B. Felker, lawyer; is a native of the State of New York; born Feb. 9, 1837; came to McHenry Co., Ill., with his parents; Andrew and Maria Pixley Felker, in 1844; lived there until 1847, when they removed to Omro, Winnebago Co., Wis. In 1857, he came to Oshkosh, and read law with Judge Wheeler; admitted to the bar in 1860; practiced at Shawano four years; Omro six years; since then at Oshkosh. He was married, at Omro, in December, 1859, to Sara J. Sprague; she is a native of New York. They have one child living- Willie Bright. Lost two children- Charles, died at the age of two years, and Eva was seventeen years old at the time of her death in 1878.