Mark P. Mateunas Obituary

We announce the death of Mark P. Mateunas of Schenectady, New York, who passed away on July 16, 2026, at the age of 74. Mark will be remembered by family members, friends, and others whose lives were connected in meaningful ways. Leave a sympathy message to the family on the memorial page of Mark P. Mateunas to pay them a last tribute.

Mark will be remembered for the impact he had on the lives of those around him. Friends, family, and colleagues will cherish their memories and the time shared. Those who knew Mark will remember moments of kindness, warmth, and presence. Though words cannot fully capture his life, the legacy of connections and experiences remains. Mark’s absence will be deeply felt by those who valued his companionship.

He was predeceased by: his parents, Edward Mateunas and Stella Mateunas (Uncher); and his niece Jessica Nadler. He is survived by: his sisters, Barbara Mateunas and Christine Nadler (Jeff); and his nephew Brian Nadler.

Contributions can be made in his memory to St. Jude's Children's Research Hospital.