Possibly from the Irish word liath, meaning 'grey' or 'grey-haired', a colour term used in early Gaelic naming. Liadh is used in Ireland today as a modern feminine given name.
Vibe
understated
How it ages.
A quietly distinctive Irish choice, unusual outside Ireland but carrying deep linguistic roots.
The cultural moment.
Rare in everyday use; found in Ireland but well outside the most common names there, and seldom seen elsewhere.