William Thomas Cottay was born about 1842 in England.
He died 7  Oct, 1920 at Chicago, Cook Co, IL.
William was a carpenter and a grocer. He had a grocery store at the corner of 31st Street and Wallace, 3252 Wallace, Chicago.

William married Ellen Jones on 18 Aug, 1872 at Chicago IL.


William had seven children, Charles, George, Susan, Mary, William John, Joseph, and Ellen.