Unknown; possibly a modern phonetic variant of Katie or Keity.
Keydi is a modern name with no established etymological root. It is likely a creative phonetic spelling of names like Katie or the Spanish-influenced Keity, often used in Latin American communities as a contemporary invention. Because it lacks a traditional history, its meaning is generally associated with the names it mimics, such as 'pure'.
Less common today
Keydi isn't in the latest US Top 1000. It last peaked at #5,217 in 2023.
US births per 5-year period, 1990βpresent (SSA data).