Names outside the classic: Elizabeth, Catherine, Ann, Mary, Caroline, Alice, Isobel, Jane/Joan, etc, come and go as fashions change:
Elsie, Ethel, Mabel, Grace (my gran's era) b 1912
Shirley, Patricia, Sheila/Shelagh, Joyce, Barbara, Anita (my mother's era) b1936
Tracey, Sharon, Debbie, Julie (Amanda, Heather, Emma/Sarah/Mary-Jane (or Ann) at the posher end (my era) b1960
Milly (short for many names), Phoebe, Imogen, Holly/Molly, Lucy (dd's era) 1998
What goes round comes round.