US MERCHANT MARINE
Oskar B Gronaas
November 23, 1917—September 13, 2007
Life Timeline
89 years1917
Born
November 23, 1917
US MERCHANT MARINE
Service Record
World War II
World War II
Conflict
2007
Passed Away
September 13, 2007
Service Record
Verified fields from cemetery source data.
Branch
US MERCHANT MARINE
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more