[ 2 syll. eo -(g) han, eog-h- an ] The baby boy name Eoghan is pronounced as YowehN †. Eoghan is used mostly in Gaelic, Irish, and Scottish, and its language of origin is Celtic and Old Greek.From Celtic roots, its meaning is born of the yew.It is derived from the element 'ebor' which is of the meaning yew.The name is of debated origin and meaning.oghan is used mostly in Gaelic, Irish, and Scottish, and its language of origin is Celtic and Old Greek. From Celtic roots, its meaning is born of the yew. It is derived from the element 'ebor' which is of the meaning yew. The name is of debated origin and meaning.