Camera is distributed throughout Italy, has various original stocks, from the province of Alessandria, Pavia and Genoa to Campania and Calabria. Cameran is from Padua and Camerani is from Ravenna. These surnames could derive from one of the many toponyms with Camera root like Camerana (CN), Camerano (AN) - (AT) etc. or from the job of servant (room attendant).
You may be interested
Verba Volant, Scripta Manent