Mary Jean O'Brien
September 30, 1930 - June 7, 2026
Mary Jean O’Brien, 95, of Lindenhurst, IL passed away June 7, 2026. Mary Jean was born in Chicago on September 30, 1930 to Dominic and Anna (Wagner) Lanas. She grew up in Chicago and graduated from John Marshall High School. She married... View Obituary & Service Information
