Person

William W. O'Brien (Peoria, Peoria County, Illinois, attorney. )

b. 1834-05-22 d. 1885-01-13

Peoria County, Illinois, attorney and politician. Native of County Leitrim, Ireland. Married to Ellen Hannah O'Brien on September 5, 1861. Father of Mary O'Brien. Immigrated to the United States in 1854. City attorney of Peoria, Illinois, from 1861 to 1864. Member of the House of Representatives of the State of Illinois from Peoria County from 1863 to 1864.

Details

Sex
Male
Race
White

Bibliography

Eighth Manuscript Census of the United States (1860), Population Schedules, Illinois, Peoria County, Peoria Ward 3, p. 201.

Ninth Manuscript Census of the United States (1870), Population Schedules, Illinois, Peoria County, Peoria Ward 3, p. 328B.

"William W. O'Brien," The Daily Inter Ocean (Chicago, IL), January 14, 1885, p. 2.

The History of Peoria County, Illinois (Chicago: Johnson & Company, 1880), 637.

James A. Rose, Blue Book of the State of Illinois, 1909 (Danville, IL: Illinois Printing Company, 1909), 19-20.

Citation

O'Brien, William W.. Accessed via the Civil War Governors of Kentucky Digital Documentary Edition, https://discovery.civilwargovernors.org/document/S32203858 (November 12, 2026).

The people, organizations, and places listed below appear in the same documents as William W. O'Brien (Peoria, Peoria County, Illinois, attorney. ). They are sorted by the number of documents they share.

Documents (1)

People

Organizations

Places

Loading network...

Network Visualized

How to use the visualization

CWGK’s network visualization brings the edition’s documents to life. The network on this page centers around O'Brien, William W.. Click on the light blue dot to see the documents in which the entity appears. You can also click on the dark orange dots to see other people linked to O'Brien, William W., a light orange dot to see the places connected to O'Brien, William W., or dark green dots to see organizations linked to O'Brien, William W..

Additionally, the lines between the dots add additional information. The light green lines demonstrate direct connections between O'Brien, William W. and another person, place, or organization. The light pink lines highlight that the dots appear in the same document.