U.S. Army
Jack Williamson McNamara
April 20, 1919—October 9, 1999
COL
Life Timeline
80 years1919
Born
April 20, 1919
US ARMY
Service Record
World War II
World War II
Conflict
COL
1999
Passed Away
October 9, 1999
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
COL
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more