It comes from the root "Ériu," a major character in Irish mythology. The matron goddess daughter of Emmas and Tuatha Dé Danann, she and her two sisters all claimed Ireland as their own land.
This name is Proto-Indo-European, and Proto-Gaelic, and probably means can be traced to "abundance."
Éireann, parsed into a Gaelic translation, means "daughter of the Goddess of Ireland,"
2.) The name of the Irish Telecom company.
3.) The name of the Irish Senate, Seanad Éireann and House of Representatives. Dáil Éireann.
4.) Part of the name of many Irish companies and organizations.
"Her name is Éireann."