Highest point or sign
Zyonn is a modern creative spelling of Zion. In Hebrew, Zion refers to a hill in Jerusalem and has come to symbolize a promised land or a spiritual home. The double 'n' suffix is a contemporary American stylistic choice to make the name feel more unique and visually distinct.
Less common today
Zyonn isn't in the latest US Top 1000. It last peaked at #6,690 in 2019.
US births per 5-year period, 1990βpresent (SSA data).