From the older Gaelic form Derdriu, meaning unknown, possibly derived from a Celtic word meaning "woman". This was the name of a tragic character in Irish legend who died of a broken heart after Conchobhar, the king of Ulster, forced her to be his bride and killed her lover Naoise.
Eonan is baby boy name mainly popular in Christian religion and its main origin is . Eonan name meanings is Red earth. Other similar sounding names can be Adam.