The History of Hendricks County (Chicago: Interstate Publishing, 1885)--Middle Township, page 711
Henry R. Parker is a native of Hendricks County, born in February, 1836, a son of John L. and Nancy Parker, who settled in Middle Township in 1835, and here the father died in October, 1875. Six of a family of thirteen children are living--John C., Jane, Henry R., Sarah, Wesley and Ellis L. Henry R. Parker was reared and educated in his native township. He is one of the most intelligent and thrifty farmers of the township and has accumulated as a result of his industry and enterprise 200 acres of valuable land. He was married Dec. 25, 1860, to Adaline Carter, daughter of Harlan and Esther Carter. They have five children--John H., William C., Lurena, Richard and Nancy E. Mr. and Mrs. Parker are members of the Christian church.