Full Idea
It is a well known doctrine of Mill that names have denotation but not connotation.
Clarification
'Denotation' points out something; 'connotation' adds associations to it
Gist of Idea
Mill says names have denotation but not connotation
Source
report of John Stuart Mill (System of Logic [1843]) by Saul A. Kripke - Naming and Necessity lectures Lecture 1
Book Reference
Kripke,Saul: 'Naming and Necessity' [Blackwell 1980], p.26
A Reaction
A nice starting point for any discussion of the topic. The obvious response is that a name like 'Attila the Hun' seems to have a very vague denotation for most of us, but a rather powerful connotation.