Peter O'Brien's obituary , Passed away on September 30, 2025 in Chicago, Illinois

Peter O'Brien

August 3, 1979 - September 30, 2025 (46 years old)

Chicago, Illinois

Peter O'Brien's obituary , Passed away on September 30, 2025 in Chicago, Illinois
Share

Peter O'Brien

August 3, 1979 - September 30, 2025 (46 years old)

Chicago, Illinois

Peter O'Brien Obituary

It is always difficult saying goodbye to someone we love and cherish. Family and friends must say goodbye to their beloved Peter O'Brien (Chicago, Illinois), who passed away at the age of 46, on September 30, 2025. Leave a sympathy message to the family in the guestbook on this memorial page of Peter O'Brien to show support.

In the quiet moments of reflection, let us honor Peter's memory by embracing the beauty of each fleeting moment, knowing that his spirit resides in the eternal tapestry of existence, forever woven into the fabric of our hearts.

He was predeceased by: his parents, Peter O'Brien and Virginia O'Brien; and his sister Caroline O'Brien. He is survived by: his sister Danielle Fitzpatrick; and his sibling's children, Finnegan, Blake Fitzpatrick and Lillian Cronin. He is also survived by his family, friends.

Visitation will be held on Monday, October 6th 2025 from 9:30 AM to 11:15 AM at the St Cajetan Church (2445 W 112th Pl, Chicago, IL 60655). A Mass will be held on Monday, October 6th 2025 at 11:30 AM at the same location.

Arrangements were entrusted to Rose Lamb, Director at Cremation Society of Illinois 815-444-0740In lieu of flowers donations can be made to the White Sox Charities (https://www.mlb.com).



Mon

Oct 06

Visitation

9:30 AM - 11:15 AM

St Cajetan Church
2445 W 112th Pl, Chicago, IL 60655

Mon

Oct 06

Mass

11:30 AM

St Cajetan Church
2445 W 112th Pl, Chicago, IL 60655

Sympathy messages

Would you like to offer Peter O'Brien’s loved ones a condolence message? Write your message of sympathy today.

500 CHARACTERS

Add a photo or a video

There is no photo or video of Peter O'Brien.
Be the first to share a memory to pay tribute.

Add a photo

Family member

Solidarity program

Echovita offers a unique service that allows funds generated by the obituary notice to be shared with families that request it.

Make a request

Authorize the original obituary

  • Lets us publish the full obituary text along with the original picture.
  • Helps people recognize Peter O'Brien and express their condolences more easily.
Authorize the original

Add an extra help