Friendly High School Alumni
Fort Washington, Maryland (MD)
In Memory of
John Mattingly
2026-2012
Born Mar 16, 2026, John Mattingly attended Friendly High School in Fort Washington, MD.
Class of 1977
Mar 16, 2026 - Jan 09, 2012
Mar 16, 2026 - Jan 09, 2012
John died from a heart attack JANUARY 9 2012.