Mary Rooney wed Patrick Riley in 1881. She is the daughter of William and Julia Rooney. Mary and her sister Katherine (Kittie) with their siblings grew up in a row house at 43 E. Division that was built by their father after the Chicago Fire. The adjoining residence was occupied by the original owner of the land. Kittie married Edward Talbot in 1880. Both sisters were married at Holy Name Cathedral. William and Julia passed away in 1885. Their daughter Kittie with her sister Hannah became executors of Julia's will. Kittie arranged for her sister Mary Riley to purchase the residence on Division. It stayed in the family until it was sold prior to World War II. Kittie, Mary, Hannah, their sister Bridget, and their families all lived on the same block on Division Street during the 1890s. Kittie and Edward Talbot's daughter Marie lived on Division with her parents and spent her early adult years in the Bridgeport neighborhood on Archer Avenue with her mother's brother John Rooney. Mick Byczek is the great-great-nephew of Mary Riley and grandson of Marie Talbot. He has completed the genealogical research associated with the Riley family. Mary had one son Albert and two daughters Katherine and Mae. William McKinley married Katherine Riley. He was Speaker of the Illinois House of Representatives during the 1910s. Mae Riley married William McKinley's brother John. Both McKinley brothers were Chicago attorneys. Patrick Riley passed away in 1905. Mary was laid to rest in 1923.