Cecily is as dainty as a lace handkerchief. Sisters of Cecily that may also interest you: Cecilia, Celia, Cicely, and Celestia.
Cecily has a wide assortment of namesakes. One Cecily was the mother of King Richard III, whose beauty gained her the title "the Rose of Raby," Cecily Parsley is a Beatrix Potter bunny, Cecily Cardew is a character in The Importance of Being Earnest, and the author of the Gossip Girl books is Cecily von Ziegesar.
Sisters of Cecily that may also interest you: Cecilia, Cicely, and Celestia. Variant Cicely has a distinguished bearer in actress Cicely Tyson and was used by Sandra Bernhard for her now grown daughter..