As proper nouns the difference between evelyn and avalon
is that evelyn is {{given name|female|from=Germanic}} while Avalon is {{context|Arturian legend}} An island, represented as an earthly paradise in the western seas, to which King Arthur and other heroes were carried at death.
As proper nouns the difference between evelyn and chris
is that evelyn is {{given name|female|from=Germanic}} while Chris is a diminutive of the male given names Christopher and, less commonly, of Christian.