You might find this link interesting?
freakonomics.com/tag/baby-names/
I come from a working class family and in the 50's/60's, common names were Linda, Jane, Beverley, Susan, June, Jean, Maureen, Lorraine, Paul, Mike, Dave, Tom, Chris, Joe, Terry, etc.
More recently names in my family, social groups, school etc.
Ryan, Rory, Ross, Rob, Liam, Scott, Warren, Sam, Carly, Kelly, Kerry, Lauren, Polly, Holly, Jade, Coral, Danielle.