It is with great sadness that we announce the passing of brother David Dallenbach, who left us on May 25, 2026. David started working here at American Airlines in 1988 as a Plant Maintenance Mechanic in Facilities Maintenance. After a dedicated career, he retired on April 30, 2008.
Please keep David’s family in your thoughts and prayers during this difficult time. Our thoughts are with them as they mourn the loss of a loving husband, father, and brother.
May he rest in peace.
David Eugene Dallenbach Obituary
It is with deep sorrow that we announce the death of David Eugene Dallenbach in Tulsa, Oklahoma, born in Walnut Grove, Minnesota, who passed away on May 25, 2026, at the age of 87, leaving to mourn family and friends.
He was predeceased by: his parents, Hugo John Dallenbach and Francis Marjorie Owczarzak Dallenbach; and his siblings, Marilyn Phillippe, Michael Dallenbach, John Dallenbach and Richard Dallenbach.
He is survived by: his wife Mary; his children, Todd Dallenbach (Wendy) of Owasso, Troy Dallenbach (Christine) of Lima and Debra Simmons (Tracy) of Tulsa; his grandchildren, Madison Dallenbach, Christopher Dallenbach, Tommy Dallenbach, Payton Simmons, Sophia Simmons, Sydney Simmons and Parker Simmons; and his great grandchildren, Penelope Rose Dallenbach and Jeremiah Todd Panakos.