Enter both or just the current one? Sierra Leone Birth / Death records Batch [M368-MDY] Entry 1 for example.
The Field Help tells us: Maiden names should be typed in this field before the current or former surnames. A maiden name was often indicated by the words "née" or "born as." A maiden name may also have been written in parentheses.
Seisay Seisay is correct for entry 1.