Authorities say the baby made its arrival shortly after 5 a.m. Tuesday in the Wal-Mart Supercenter on Mansell Road in Roswell.
Ken Simpson, regional director for the Rural/Metro ambulance company, says the woman delivered her baby inside the store before paramedics could arrive.
The Atlanta Journal-Constitution reports the new mother and her baby were taken to Northside Hospital for evaluation.
Wal-Mart officials did not immediately return the Atlanta newspaper’s call for comment.
The woman’s name wasn’t released, and it wasn’t immediately known whether she was a customer or an employee.
Wal-Mart Supercenter No. 1578 is about 20 miles north of downtown Atlanta.