Origin, birth, or creation
Jennasis is a modern creative spelling of the name Genesis. It is derived from the Greek word meaning 'origin' or 'birth' and is the title of the first book of the Bible. This specific spelling blends the traditional biblical name with the popular 'Jen' prefix.
Less common today
Jennasis isn't in the latest US Top 1000. It last peaked at #12,673 in 2015.
US births per 5-year period, 1990βpresent (SSA data).