Lyle Dennis Pfeifer Obituary

It is with deep sorrow that we announce the death of Lyle Dennis Pfeifer in Seattle, Washington, who passed away on November 6, 2025, at the age of 69, 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, Ray Willard Pfeifer and Betty Jean Pfeifer. He is survived by: his wife Marlene; his children, Mitchell, Matthew (Dakota), Brian, Daisy, Maya, Graciela, Michael, Gabriel and Kaitlin; his adoptive son Greg Johnson; and his sister Marilyn Santangelo (Michael). He is also survived by numerous nieces and nephews.

In Lieu of flowers donations may be made to Fred Hutch Cancer Research.