Joseph Leo O'Neill Obituary
We are sad to announce that, on February 14, 2026, at the age of 80, Joseph Leo O'Neill of Sioux Falls, South Dakota passed away. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
As we bid farewell to this cherished soul, solace is taken in the memories held dear — the laughter shared, the wisdom imparted, the moments of quiet reflection in their presence. Though Joseph may no longer walk among us, his spirit lives on in the echoes of his kindness, the warmth of his embrace, and the light of his enduring love.
He was predeceased by: his parents, John Leo O'Neill, Jr. and Penelope Needham (Penny); and his grandson Ryan O'Neill. He is survived by: his wife Denise; his children, Timothy of Hayden Lake, ID and Shannon of Fargo, ND; his siblings, Colleen Lynaugh of Lake Elmo, MN and Mike (Barb) of Palmersville, TN; and his grandchildren, Josh Santos, Andrew O'Neill, Tobin O'Neill, Lexi Johnson and Tyler Hehn. He is also survived by 3 great-grandchildren, his in-laws and nieces and nephews.
