Grace of the Lord
Chaniah is a modern elaboration of the Hebrew name Channah or Hannah. It combines the traditional root meaning grace or favor with the 'iah' suffix, which typically denotes a connection to the divine in Hebrew naming conventions.
Less common today
Chaniah isn't in the latest US Top 1000. It last peaked at #11,711 in 1996.
US births per 5-year period, 1990βpresent (SSA data).