Likely a modern variant of Khadija or Kaia
Kajah is a rare contemporary name with multiple possible roots. It is often used as a creative spelling of Kaia, meaning 'sea' or 'pure', or as a shortened, phonetic variation of the Arabic name Khadija, meaning 'premature child' or 'trustworthy'.
Less common today
Kajah isn't in the latest US Top 1000. It last peaked at #7,984 in 1998.
US births per 5-year period, 1990–present (SSA data).
