Cyrus Brown Hill was the second of three children born to Alfred Jacob Hill and Mary Ann (Ware) Hill. He was a machinist, and worked at Samuel J. Shimer and Sons, and at the steel mill in Milton, PA. The family lived on Vine Street in Milton.
On June 10, 1909, Cyrus married Grace Irene Reichard, daughter of Amos Reichard and Frances (Ohl) Reichard. Amos was a farmer in Scott Twp., Columbia Co., PA and later in Turbot Twp., Northumberland Co., PA.
The couple had two sons. The first died at birth. The second, Dale Linwood Hill, married Wilma Marceline Nygaard on October 15, 1948 in Blair, NE.