God has answered
Anayiah is a modern American elaboration of the Hebrew name Anaiah. In the Old Testament, Anaiah was a priest or Levite who stood by Ezra during the reading of the Law. The addition of the 'y' and 'h' reflects contemporary spelling trends that emphasize a melodic, multi-syllabic sound.
Less common today
Anayiah isn't in the latest US Top 1000. It last peaked at #6,234 in 2013.
US births per 5-year period, 1990βpresent (SSA data).