A total of 1,037 people had died in the area when the UK coronavirus dashboard was updated on September 8 (Thursday) – up from 1,033 on August 31.
They were among 11,934 deaths recorded across the South West.
The figures include anyone who died within 28 days of a positive test result for Covid-19, and whose usual residence was in Cornwall.
A total of 165,369 deaths were recorded throughout England by September 8 (Thursday) – up from 164,264 eight days previous.
The UK Covid dashboard is now being updated weekly on Thursdays.