According to Thames Valley Police, David Chester was the member of the public who perished in the fire at Bicester Motion, while Jennie Logan and Martyn Sadler were the firefighters who perished.
While responding to the incident at Bicester Motion on the outskirts of the town on Thursday, firefighters from the Oxfordshire incident and Rescue Service lost their lives.
According to Oxfordshire County Council, two firefighters are still in the hospital after suffering severe injuries.
Ten fire departments were fighting the fire at its worst.