Diane L. Kowalisyn age 65, of Lowell, formerly Griffith, passed away on Sunday September 21, 2025. She is survived by her sister Pam Kowalisyn and brother Nick (Krista Martins) Kowalisyn; nieces and nephews Shawna (Keith) Coleman, Michael (Julie) Raduenz, Alex (Stephanie) Kowalisyn; great niece Lillian Maverick; great nephews Coleman Maverick and Bentley Kowalisyn; brother-in-law Gary Raduenz; and by her numerous cousins.
She was preceded in death by her parent’s Nick and Donna Kowalisyn and by her sister Nanette Raduenz.
Friends may meet at White Funeral Home located at 921 W. Glen Park Avenue (45th) in Griffith at 11:15 a.m. on Monday September 29th, 2025, to go in procession to Calumet Park Cemetery in Merrillville, Indiana for graveside services with Pastor Mark Berg officiating.
Diane graduated from Griffith High School in 1977 and earned her teaching degree from Indiana State University. Diane loved fishing and watching all sports whether in person or on TV.
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