From Chinese 晨 (chén) or 辰 (chén), both meaning “morning”. The character 辰 also refers to the fifth Earthly Branch (7 AM to 9 AM), which is itself associated with the dragon of the Chinese zodiac. This name can be formed from other characters as well.
From the name of a district in London, originally derived from Old English and meaning “landing place for chalk or limestone”. It has been in general use as an English given name since the 1970s.