Unknown; possibly related to the Latin word for day
The exact etymology of Diera is unclear, though it is often cited as a modern variation of names like Deira or Adira. It may be linked to the Latin 'dies' meaning 'day' or the Old English kingdom of Deira. Its rarity makes it a choice for parents seeking a unique, melodic sound without a fixed historical burden.
Less common today
Diera isn't in the latest US Top 1000. It last peaked at #7,919 in 1995.
US births per 5-year period, 1990βpresent (SSA data).