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. You can send your sympathy in the guestbook provided and share it with the family.

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.

In lieu of flowers, the family requests memorial contributions be made in David's memory to the Omega Foundation at http://www.omfo.org..