O'Brien, Patricia peacefully entered eternal life on Friday, June 2, 2023. She was 83 years old. She leaves behind her children: Timothy John O'Brien, Barbara Anne O'Brien Schutte (Jerald), Susan Mary O'Brien Beishir (David), Michael Patrick O'Brien and her adored twin grandchildren Sean Charles "Charlie" and Susan Charlotte. Pat was a graduate of Pattonville Senior High and studied at University of Missouri, St. Louis. Pat was involved with Explorer Post 362 for many years. She worked for the Saint Louis County Board of Elections. She was a collector with many interests, especially dolls, Barbie's and Beanie babies. She is at peace now resting with her husband of 57 years, William James O'Brien. Services: No visitation, private funeral and burial.