Nancy - I really don't like this. No idea why, I just never have.
Evelyn - Quite like it. And like Eva, Evie and Evvy as shortened versions.
Ada - Like it. Probably prefer Ava but Ada is much fresher nowadays.
Esther - Like it. Very underused too.
Edith - Quite like like and really like Edie as a nn.
Other ideas:
Agnes, Alice, Astrid, Alma, Avis, Avril, April, Audrey, Bonnie, Betsy, Betty, Beatrice, Clara, Clarice, Cora, Dora, Diana, Delilah, Daphne, Dottie, DollElla, Ellen, Emma, Eileen, Enid, Eliza, Elsie, Esme, Florence, Frances, Faith, Grace, Greta, Hazel, Honor, Hester, Hope, Ida, Ivy, Iris, Jane, Joy, Jocelyn, Kate, Lily, Lydia, Libby, Lottie, Molly, Millie, Mary, Martha, Maisie, Maria, Margaret, Nellie, Nora, Olive, Opal, Pearl, Polly, Peggy, Penny, Posy, Queenie, Ruby, Rose, Rosa, Sally, Sarah, Sadie, Thea, Tessa, Theresa, Tilly, Una, Ursula, Victoria, Verity, Winifred