Unknown; possibly a variant of Tierra meaning earth
The exact etymology of Dierra is unclear, though it is often used as a modern American invention. It likely arose as a blend of names like Deanna or Sierra, or as a variant of the Spanish word Tierra, which means 'earth' or 'land'. Due to its rarity, it lacks a singular historical lineage.
Less common today
Dierra isn't in the latest US Top 1000. It last peaked at #3,484 in 1995.
US births per 5-year period, 1990–present (SSA data).
