Leo J. Knaff M.D.

Welcome to Leo's Legacy.

This Legacy page is a lasting memorial where everyone who loved Leo can visit and share remembrances for years to come. Every photo, condolence or memory you post here helps family and friends keep Leo close in their hearts.

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3 Entries

From the Staff of Sullivan Funeral Home

February 4, 2026

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Sullivan Family Funeral Homes & Cremation Service - Hinsdale

Posted event

February 3, 2026

Feb

Service

10:00 a.m.

St. Isaac Jogues Catholic Church

306 W. Fourth St., Hinsdale, IL 60521

Sullivan Family Funeral Homes & Cremation Service - Hinsdale

Posted an obituary

February 3, 2026

Leo Knaff Obituary

Leo J. Knaff, M.D., age 96, passed away on February 2, 2026, in Carmel, Indiana. Born on March 25, 1929, in Chicago, Illinois, he was the cherished son of Leo and Josephine Knaff. Leo was the beloved husband of the late Barbara Jean Knaff, nee... Read Leo Knaff's Obituary

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