It is with deep sorrow that we announce the death of William J. O'Shaughnessy Jr. of Mundelein, Illinois, who passed away on March 11, 2023, at the age of 70, leaving to mourn family and friends. Leave a sympathy message to the family in the guestbook on this memorial page of William J. O'Shaughnessy Jr. to show support.

He was predeceased by : his father William O'Shaughnessy; and his sister Molly Nicholson. He is survived by : his wife Rilla Diane Mealiff; his daughter Meghan Irene Bakken; his son-in-law Josiah Bakken; his grandchildren, Evelyn Lilia, Isla Noelle and Rhodes David William Bakken; his siblings, Thomas O'Shaughnessy (Darla) of Catlin, IL, Patrick O'Shaughnessy (Elaine) of Danville, IL, Robert O'Shaughnessy (Tamara) of Munster, IN, Kathleen Hampton (Rick) of Charleston, IL, Christine Finley (Brad) of Peoria, IL, Susan Durbin (Kevin) of Muncie, IN and Mary Pickering (Kent) of Westchester, IL.; his brother-in-law David Nicholson; and his brothers, David Mealiff (Linda) of Beloit, KS and Daryl Mealiff (Donna) of Champaign, IL.. He is also survived by Godfather and is survived by many nieces, nephews, and great-nieces and great-nephews.

In lieu of flowers and in honor of his late sister's memory and Bill's medical heroes, memorials may be made to the Molly A. Nicolson Excellence in Nursing Scholarship, Danville Area Community College Foundation, 2000 East Main Street, Danville, IL, Phone 217-443-8772 A memorial mass will be celebrated at 10 am on Saturday March 18th, 2023, at Holy Family Catholic Church in Danville, IL with Fr. Steven Loftus celebrating.

Funeral arrangement under the care of
Chapels - Mundelein