What is the meaning of Fionn?
fair (of hair or complexion)
blond(e)
cataract (in an eye)
to make white, whiten
to clear, brighten
to scorch, singe; to set alight
to ascertain, find out, discover
to contrive, invent
Alternative form of feann (“to flay”)
fair (of hair or complexion))
white
cataract (in an eye)
flay, skin
Source: wiktionary.org