Irish flann

← Proto-Celtic *wlannos (inherited)

← Irish fuil (mention)

← Proto-Indo-European *welh₃- (root)

← Proto-Indo-European *welh₃- (derived)

← Middle Irish flann (inherited)

→ English Clancy (mention)

→ English Flanagan (mention)

→ English Flannery (mention)

→ English McGlynn (mention)

→ Irish flannbhuí (affix)