Cover photo for John "Jack" W. Sullivan Jr's Obituary
John "Jack" W. Sullivan Jr Profile Photo
1939 John 2023

John "Jack" W. Sullivan Jr

February 2, 1939 — February 28, 2023

Davenport Lake Zurich

John “Jack” W. Sullivan Jr., 84, of Lake Barrington passed away on February 28, 2023. He was born on February 2, 1939 in Chicago, IL to the late John Sr. and Margaret Sullivan.

Jack was a proud 1957 graduate of Fenwick High School. On June 18, 1960, Jack married Joan Guardalabene at St. Bernadine’s Church in Forest Park. They celebrated 62 beautiful years of marriage and were blessed with three children.

He served the Oak Park community for 25 years as a police officer; he retired at the age of 50 as a Lieutenant in 1989.

After his retirement, Jack continued in law enforcement. His most notable services included his roles as Chief of Investigations for the Illinois Attorney General, Chief of Security for Arlington Park and with the US Marshall Service.

He was a natural athlete and briefly played professional baseball with the Pittsburgh Pirates briefly. He was inducted into the Forest Park Softball Hall of Fame for his athleticism with 16” Softball; he also loved to golf and play basketball.

Jack is survived by his loving wife, Joan Sullivan; children, Ken (Elizabeth) Sullivan, John (Nadiya) Sullivan, and Jackie (Tim) Throop; grandchildren, Michael (Chelsea), Kelly, Anne, Matthew, Justine, JW, Mackenzie, Olena, Danny and Maggie; great-granddaughter, Chloe; siblings, Mary Ellen (Richard), Margaret (Joe), Stephen (Linda); and by many nieces, nephews and friends.

He was preceded in death by his parents.

Visitation will be Sunday, March 5, 2023 from 1 PM until 6 PM at Davenport Family Funeral Home and Crematory, 941 S. Old Rand Rd., Lake Zurich, IL 60047. Visitation will resume on Monday, March 6, from 9 AM until the time of prayers at 10 AM. A procession will follow to St. Francis de Sales Church, 33 S. Buesching Rd., Lake Zurich, IL 60047 for a 10:30 AM funeral mass. Interment will be private.

In lieu of flowers, donations may be made to American Diabetes Association, P.O. Box 7023, Merrifield, VA  22116-7023,

To order memorial trees or send flowers to the family in memory of John "Jack" W. Sullivan Jr, please visit our flower store.

Service Schedule

Past Services


Monday, March 6, 2023

9:00 - 10:00 am (Central time)

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Funeral Mass

Monday, March 6, 2023

Starts at 10:30 am (Central time)

St. Francis de Sales Parish

33 S Buesching Rd, Lake Zurich, IL 60047

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.


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