Haven't read all the posts so apologies if repeating what others have said.
I don't think in itself any name is "chavy" it is purely the connotations which people associate with that name.
For example if the first person you ever met called Jayden turned out to be your best friend all the way through school, and you didn' meet another Jayden throughout your childhood then you would have very positive images associated with that name.
If in later years "Jayden" travelled the world and was a free spirit then you would probably love the name and find it hard to imagine a completely different person with that name.
Intersestingly as a child I cannot remember disliking names as such but only a vague memory of a few kids (all boys) having rather "old fashioned" names. Also I never thought "Oh I really don't like the name X because lots of my friends are called X and therefore it is too common".
x