Grace or favor
Hendel is a Yiddish diminutive form of the Hebrew name Hannah. It shares the same etymological root meaning grace or favor and was historically used within Jewish communities in Central and Eastern Europe.
Less common today
Hendel isn't in the latest US Top 1000. It last peaked at #10,161 in 2011.
US births per 5-year period, 1990βpresent (SSA data).