Likely a modern variation of Khadija, meaning premature child
Kadaja is most likely a modern American phonetic variation of the Arabic name Khadija. In Islamic tradition, Khadija was the first wife of the Prophet Muhammad and a successful businesswoman, making the root name highly significant. The specific spelling Kadaja is rare and reflects a contemporary stylistic preference for unique phonetic interpretations.
Less common today
Kadaja isn't in the latest US Top 1000. It last peaked at #11,189 in 1999.
US births per 5-year period, 1990βpresent (SSA data).