At school early-mid 70s to mid 80s.
Most popular/common names of girls I was at school with... In order from most common ...
Tracey, Julie, Mandy, Karen, Jane, Susan, Donna, Debbie, Michelle, Linda, Patricia, Wendy, Helen, Vicky, Lisa, Carol, Angela, Sharon, Christine, Denise, Dawn, Samantha, Sarah, Kim, Sandra.
There were a few girls at school with unusual names, me included. I was the only one with my name in my primary school of 300 kids, and secondary school of 1000. Also the only one in any workplace. In fact, I have never known anyone else with my name.