_Eagen._ See Egan. _Gen_ is probably a corruption of _gan_.
_Eagin_. See Egan. _Ginn_ is the equivalent of _gan_.
_Egan._ _Aod́_, pronounced _eey_, Hugh; _gan_, offspring. Descendant of
Hugh. _Aod́gan_, the original form. Eoghan, a corrupted phase of the word.
_Eill._ _Eile_, _aile_, _oile_, another.
_Eire._ _Eire_, Ireland. Eyre, a slightly altered form of the name.
_Eirey._ _Eire_, Ireland; _ać_, an individual. An Irishman; a native of
Ireland.
_Ennis._ _Inis_, an island.
_Erionnach._ Originally, _Eireannac_, equivalent to _Eire_, Ireland; _an_
of; _nać_, an individual. Native of Ireland; an Irishman.
_Ey._ _Ad́_, pronounced _ey_, luck, fortune, chance.