Aoife is an Irish name from the Gaelic aoibh, meaning "beauty" or "radiant", and is pronounced EE-fa. In Irish legend Aoife was a fierce warrior woman who fought the hero Cú Chulainn, and the name has been one of the most popular girls' names in Ireland for decades. In the United States Aoife ranked number 3993 in 2000, peaked at number 1748 in 2018 and stands at number 2120 among girls' names in 2025.