Looking for William W. Woodruff (father of Mary P. Woodruff)

I would like to find out more of Mary P. Woodruff's ancestry on the Woodruff side.Mary P. Woodruff was born in 1849 Riverside, Washington, Iowa, United States, or Ohio.She married Pettit Fay Brockway.She lived in Ouray, Colorado in 1910.Pettit F. Brockway was buried in Boulder, Colorado in 1925.

There is a death cert for William W. Warren Ouray, Co 1903 listed in ancestry.com.