63%RatingSave Gender Feminine Usage Irish Mythology Meaning & History Possibly from Old Irish bó "cow" and finn "white, blessed". In Irish mythology this was the name of the goddess of the River Boyne, which is named for her. She was the wife of Nechtan and the father of Aonghus (by Dagda). Related NamesFamily Tree·Details Rootsbó + finnVariantBóinn Categories animals, colors, cows, ends in -ann, goddesses, mythology, river deities, rivers, white