Eirynn \e(i)-ry-nn\ as a girl's name is a variant of Erin (Gaelic), and the meaning of Eirynn is "Ireland".
The baby name Eirynn sounds like Erynn, Eiryn and Eirinn. Other similar baby names are Brynn, Karynn, Carynn, Corynn, Darynn, Eireen, Eirian, Eirwen, Elynn, Eryn, Erinn, Eirin, Eirene, Eirena, Eiren, Korynn and Tarynn.