Legend of Dairinn

Pronunciation: Daar-in
Meaning: Strength, fruitfulness
Legend:
Named after the daughter of Finn McCool and derived from the old Gaelic word Doireann ('daro') meaning "oak tree" or "oak grove". The name suggests strength and fruitfulness. As the name spread across Celtic-speaking regions, it took on various spellings and forms, such as Dáiríne in Old Irish, Dairine in Middle Irish, and Dairín in Scottish Gaelic. The name was initially associated with the reverence for nature and the sacred oak in pagan Celtic traditions.
Source: Celtic Female Names of Ireland