Meaning and name origin
Erinn is a somewhat popular first name for females (#3039 out of 4276, Top 71%) but an uncommon surname or last name for all people (2000 U.S. Census).
Erinn is also pronounced similarly to Eirian, Erene and Irine. Other suggested similar baby names are Brinn, Erena, Erina, Erinna, Erna▼ and Erwina. These names tend to be less commonly used than Erinn.