1900 census
269 Peoria Street, District 595, ward 19, Cicago, Cook County, Illinois
Keirven, Dennis J., head, b. Feb 1846, age 4, married 16 years, b. Ireland, parents b. Ireland, immigrated 1850, 50 years in US, naturalized, carpenter, rented home
Mary, wife, b. Sept. 1858, age 41, married 16 years, 5 children, living, b. Pennsylvania, parents b. Pennsylvania, no occupation
William J., son, b. July 1884, age 15, b. Illinois, clothing clerk
Lawrence C., son, b. Oct. 1885, age 14, b. Illinois, wagon boy
Ida L., daughter, b. Dec. 1888, age 12, b. Illinois, at school
Mary L., daughter, b. Sept. 1889, age 10, b. Illinois, at school
Benjamin, son, b. Oct. 1895, age 4, b. Illinois
edited to correct date