Obituaries
John Anthony Cronan IV
September 25, 1982 - July 21, 2025
 

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VISITATION
 July 25, 2025 | 4:00 - 8:00 P.M.
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Yurs Funeral Home
 405 East Main Street
 St. Charles, Illinois
- Funeral Mass
- July 26, 2025 | 10:30 A.M.
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St. Patrick Catholic Church - Crane Road
 6N491 Crane Road
 St. Charles, Illinois
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Burial Location
 Resurrection Catholic Cemetery, Geneva
John Anthony Cronan IV, age 42, of St. Charles, passed away on Monday, July 21, 2025, at his home surrounded by family. He was born on September 25, 1982, in Aurora, Illinois, to Karyn (Rannin) and Jack Cronan.
John was a graduate of St. Charles high school and received a master’s degree from University of Illinois at Springfield with honors. John was employed for 18 years as a Senior Systems Engineer by Charles Schwab. John was extremely intelligent with a great sense of humor. He was a beloved son, brother and was cherished by many friends, family and coworkers. John’s hobbies included computers, bicycling, canoeing, craft brewing and music.
He is survived by his father, Jack Cronan; his siblings, Laura Cronan, James Cronan, and Joseph Cronan, all of St. Charles. He was preceded in death by his mother, Karyn Cronan.
Memorial visitation will be held Friday, July 25 from 4:00 to 8:00 p.m. at Yurs Funeral Home, 405 East Main Street (corner of Rt. 64 and Rt. 25), St. Charles.
A Catholic Funeral Mass will be held at 10:30 a.m. on Saturday, July 26, at St. Patrick Crane Road Church, with Father Grant officiating. Inurnment will follow at Resurrection Cemetery in Geneva, Illinois.
In lieu of flowers, donations may be made to Anderson Animal Shelter.
 
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Condolences
Anne Skinner from Round Lake Beach, IL
"Johnny, you were an amazing person. I feel blessed to have had the good fortune to have worked with you. You have left behind a legacy of being the go-to guy to help us solve the toughest problems at work and for your joyful personality. You will truly be missed. I am thankful to have known you. Rest in Peace."
Madeline Mann (Rannin) from Spring Hill, TN
"John, you will be so missed! You were always so kind and sweet to be around. My condolences to the surviving family and friends in this time of sorrow."Brothers and sisters, we do not want you to be uninformed about those who sleep in death, so that you do not grieve like the rest of mankind, who have no hope. (1 Thessolonians 4:13)""
Dan Carol Moeller from Saint Charles, IL
"So sorry to hear about your son. We were out of town at the time.Rest in peace John"