Mark F. O'Brien Obituary
We are sad to announce that, on February 9, 2026, at the age of 65, Mark F. O'Brien of Freeburg, Illinois passed away. Leave a sympathy message to the family on the memorial page of Mark F. O'Brien to pay them a last tribute.
In the vast expanse of eternity, Mark shall find rest, cradled in the arms of everlasting peace. And as we bid Mark farewell, his loved ones carry with them the precious gift of his memory, a beacon of hope guiding them through the shadows of sorrow towards the light of a new dawn.
He was predeceased by: his parents, Virgil O'Brien and Ruby O'Brien (Pinkston); and his sister Sharon Ann O'Brien-White. He is survived by: his siblings, Melanie L. OBrien and Patrick M. O'Brien; and his pet Princess. He is also survived by his extended family and many friends.
Memorial contributions in memory of Mark F. O'Brien may be directed to Belleville Area Humane Society online at http://www.bahspets.org or by mail to 1301 S. 11th St. Belleville, IL 62226.
