'Granny chic' names that are already back in the top 300:
Ava, Alice, Betsy, Bonnie, Clara, Constance, Edith, Esme, Elsa, Elsie, Eliza, Florence, Grace, Iris, Ivy, Josie, Josephine, Lily, Mary, Martha, Maisie, Nina, Ruby, Rose
Names that I think are on the up but not that popular yet:
Ada, Agnes, Betty, Dorothy, Daphne, Dora, Ida, Janet, Jane, June, Lillian, Mabel, Maude, Nora, Olive, Pearl, Ruth, Rita, Sylvia, Una, Verity, Valerie
Names that I don't think are coming back:
Agatha, Avis, Bertha, Beryl, Barbara, Brenda, Doris, Dorcas, Deirdre, Edna, Enid, Ethel, Edwina Freda, Gertrude, Hilda, Hilary, Irene, Ilsa, Jean, Joan, Joyce, Myrtle, Mildred, Patricia, Prudence, Pauline, Queenie, Sheila, Shirley, Theresa, Ursula, Vera, Wilhemina, Winifred, Winnie, Yseult