Michael F. O'Brien Obituary
It is with deep sorrow that we announce the death of Michael F. O'Brien in Vallejo, California, who passed away on October 28, 2025, at the age of 78, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of Michael F. O'Brien to show support.
He is survived by: his wife Linda; his children, Heather Judd (John), Timothy O'Brien and Thomas O'Brien; his daughter-in-law Mikayla; his siblings, John O'Brien (Patti), Bob O'Brien and Maureen Coffelt (Alton); and his grandchildren, Zachariah, Ethan, Isabella and Landon.
In lieu of flowers the family prefers donations to the American Diabetes Foundation.
