Gary F. Fassl, 65, of Crystal Lake passed away January 23, 2018. Gary enjoyed nature and loved to fish. He especially enjoyed time spent with friends and family. He was the beloved husband of Barbara; loving father of Dawn and Aaron; father-in-law of Jeff Skornia; cherished grandpa of Mark, Blair, Nicole, and Frank; dear brother of Jeff (Jean) Fassl; and fond uncle of Paul, Tim, and Jim. A funeral Mass will be celebrated at 11am on Saturday, February 3 at St. Catherine of Siena, 845 West Main Street, West Dundee, IL. Please contact the funeral home at 815-459-1760.