English surname used as a given name, from Old French courtois meaning courteous or well-bred; a dignified occupational surname name that carries quiet confidence.
Nicknames
curt
Vibe
strong
How it ages.
Peaked in the US in the 1960s-1970s; solid but associated with that era, not yet in full revival.
The cultural moment.
Common in the US and UK from the 1950s through 1980s; steady decline since then.