Kenneth James O'Brien
| Born | January 11, 1896 |
| Died | December 15, 1944 |
| Service Branch | Army Air |
| Rank | Major |
| Rating or Job | HQ, Bataan Defense Force |
| Unit | |
| Campaign | World War II |
| Military Citations | Distinguished Service Cross, Purple Heart |
| Honors | |
| Family | |
| Notes | POW/MIA/BNR Died aboard Japanese Prison Ship, Oryoku Maru, Subic Bay, Philippines Listed on the Tablets of the Missing, Manila American Cemetery, and Memorial, Fort William McKinley Cemetery @ Fort Bonifacio, in Taguig City, Manila, Philippines Memorial headstone: Chico Cemetery |
| Sources | Additional research by Bill Edmiston |
| Mementos |