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251 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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On a Thursday, March 7, 1974, fifteen-year-old Nancy Marie O'Sullivan, a freshman at Homewood-Flossmoor High School, vanished. A resident of Homewood, Illinois, where she lived with her parents and ten siblings, Nancy had returned to her family's former neighborhood in South Holland to visit with old friends. She was last seen in the 1300 block of East 168th Place that evening. The following day, after she failed to return home, her father reported her missing. Although Nancy had a history of ru ...Read More
Last Seen: Mar 07, 1974

Victim Details

Apr 15, 2010

Nov 04, 2019

Nancy

Osullivan

65

15

64 inches

115 lbs

White / Caucasian

Female

Mar 07, 1974

South Holland

Illinois

Cook County

26841

Homewood Police Dept.

Homewood

Illinois

,

M8730431

Homewood Police Dept.

Brown

Blue

Blue

06/08/2026


Area Last Seen: