I started school in the early 1970s.
Sarah, Louise, Emma, Alison, Julie, Debbie, Tracey, Sharon, Cathy, Claire, Linda, Melanie, Helen, Rachel and Jackie covered most of the girls. Sue and Linda were on the decline, and the odd Jane or Patricia appeared. If you were called Sophie, you were assumed to be a snob (which was true of the one I met at 16...)
David, Nick, Richard, Paul, Darren, Kevin, Mike, Steve, Robert, Matthew, James, Simon, Jason, Jo(h)n and Stuart were what all the boys were called. You still came across the occasional Martin or Colin or Peter. Charles was considered a right posh name.
I never met a Thomas my own age until I was about 20. Nobody under the age of 80 was called Emily. I had a very uncommon name which became horribly popular for newborns when I was about 10.
On balance, I prefer the popular names now to the popular names when I was a child. I shall have to conceal my wincing if any of my DC decide to name their progeny Linda or Keith. Or Neville. Or Maureen.