Conversation so far:
where does the last name dumas come from?
Dumas is a Southern French topographic surname
what is the etymology of the last name dumas?
The etymology of the word dumas is French, from du (“of the”) + mas (“rural farmstead”).
who is someone famous with the last name dumas?
Alexandre Dumas

Question: what was the occupation?
Self-contained rewrite: what was the occupation of Alexandre Dumas?