Ireland or peace
A modern creative spelling of Erin, which is derived from the Gaelic word Γirinn, the dative case of Γire, the personification of Ireland. While primarily a geographic name, it is also sometimes linked to the Greek name Irene, meaning peace.
Less common today
Erynne isn't in the latest US Top 1000. It last peaked at #7,740 in 1998.
US births per 5-year period, 1990βpresent (SSA data).