God has given
A rare spelling variant of the Hebrew name Yehonatan. It is composed of the elements 'yeho', referring to the Hebrew God, and 'natan', meaning to give. While the spelling with two 'n's is uncommon, it retains the same etymological roots as the traditional Jonathan.
Less common today
Jonnathan isn't in the latest US Top 1000. It last peaked at #1,831 in 1990.
US births per 5-year period, 1990βpresent (SSA data).