Smith and Michael Christopher Rhodes died on the scene, Sills said.
Smith was Michael Rhodes' girlfriend and a student at the University of North Georgia, according to a GoFundMe page for Smith.
She graduated from Morgan County High School in 2016.
“We grieve for their loss and pray for peace and comfort for the families during this unimaginable time,” said Katie Charette, who created the GoFundMe page.
Paramedics rushed Rhodes and her surviving son to Athens Regional Hospital, Sills said. The driver of the other SUV, Kaitlyn Black, 21, of Bethlehem, was taken to the same hospital.
Their conditions were not known Monday afternoon.
No other details were released.
In other news: