Wikipedia
Fionnghuala (Irish name)
Fionnghuala (reformed spelling: Fionnuala) is an Irish language female given name.
Fionnghuala was a highly popular woman's name in medieval Ireland. It continues to be used, as well as in the forms Fionnuala and Nuala. The meaning of Fionnghuala is 'fair-shouldered', which is interpreted as fair headed.