Unknown; possibly a modern American invention or variant.
The exact etymology of Datra is unclear. It is likely a modern American coinage, possibly created by blending sounds from names like Deidra or Sandra, or as a variation of the Sanskrit name Datta, though evidence for this connection is limited.
Less common today
Datra isn't in the latest US Top 1000. It last peaked at #3,362 in 1990.
US births per 5-year period, 1990βpresent (SSA data).