James Joseph Sourek

Dec 22, 1946 — Oct 11, 2026

Lake Geneva

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Affectionately known to family as Corky. His entire family called him this since he was a boy - his was never Jim, he was always Corky. 

Survived by his loving wife of 38 years, Sandra Sourek (nee Miller)

Preceded in death by his parents: James Sourek and LaVerne Sourek (nee Carroll)

Preceded in death by his sister Donna Mistrata (nee Sourek), brother in law Jerry Mistrata and brother in law Perry Costantino

Survived by his brother Michael (Linda) Sourek and sister Suzanne Costantino (nee Sourek)

Survived by his children Courtney (Brian) Jordan, Heather Chaparro, James (Jennifer) Sourek, Jodi Kastner, Todd Shay (Amy) and Ryan Ostrovsky (Kristin)

Survived by his grandchildren Kaitlyn Chaparro, Skyler Jordan, Grant Chaparro, Emma Sourek, James Sourek, Ethan Tooby, Marcus Singleton, Lily Ostrovsky, Scarlett Ostrovsky, Lilah Kastner, Savannah Shay, Zane Shay, Skylee Shay, Seinna Jo Shay and Zander Shay. Great Grandson Steel.

Born in Chicago, IL (12/22/1946) and formerly of Northlake, IL and Elk Grove Village, IL. He was a long time resident of Lake Geneva, WI which he absolutely loved. 

He enlisted in the United States Air Force at the age of 17 and served in Vietnam from 1964-1968. During his service, he was an Aircraft Mechanic throughout much of Asia. He was awarded several medals including: Vietnam Campaign Medal, Outstanding Unit with Valor Bronze Medal, National Defense Medal, Good Conduct Medal and Expert Marksman Medal. 

Before retirement, he was the proud owner of O'Hare Mechanical Contractors, an HVAC company located in Elk Grove Village, IL. Over the years he employed and even helped start the careers of several family members.

He had many hobbies including: Woodworking, Reading, Boating, Fishing, Gardening, Swimming, and especially Golfing. He enjoyed World History, watching the Chicago Bears and even had his pilot license for a time. He could fix literally anything and he looked forward to traveling to the beaches of Florida each year with his wife, Sandra. Donations:American Cancer SocietyVietnam Veterans of America

Donations can be made in James name to either:

The American Cancer Society 

or

Vietnam Veterans of America

Services for Jame's will be held on Sunday October 25th, 2026 at 1:00pm in the main chapel of Derrick Funeral Home.  A visitation will be held prior to the service on October 25th, 2026, starting at 11:00am.

James will be laid to rest with a private family service at Southern Wisconsin Veterans Memorial Cemetery.

To share a memory you have of James, or to post a condolence to the family, please proceed to the bottom of the obituary under Guest Book where you can share your post.

Derrick Funeral Home of Lake Geneva is honored to be assisting the Sourek family.

To send flowers with our preferred florist, please visit our flower store.

Service Schedule

Upcoming Services

Visitation

Sunday, October 25, 2026

11:00 am - 1:00 pm (Central time)

Derrick Funeral Home & Cremation Services

P. O. Box 730 - 800 Park Dr, Lake Geneva, WI 53147

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

Funeral Service

Sunday, October 25, 2026

1:00 - 2:00 pm (Central time)

Derrick Funeral Home & Cremation Services

P. O. Box 730 - 800 Park Dr, Lake Geneva, WI 53147

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

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