Celtic arth (bear) possibly via Brythonic or Latin roots; mythic resonance from Arthurian legend
Nicknames
art · artie
Vibe
gentle
How it ages.
Arthur peaked in English-speaking countries around 1900-1940 and declined through late 20th century, now reviving.
The cultural moment.
UK, US, Ireland, and Australia show accelerating resurgence 2010-2025 as vintage masculine names return to fashion. Currently ranks #6 in France and #6 in the UK.