I like it. I first heard it in high school (it was the name of a student who was slightly older than me). Then I read it in a book which made me like it because of the medieval vibe it has. It's got a little of the feeling of Emily without the popularity and over-warm sound.
Combos...
Cecily Jane
Cecily Fiona
Cecily Luna
Cecily Maeve
Cecily Isolde
Cecily Ariana
Cecily Laurel
Cecily Guinevere
Cecily Opal
Cecily Branwen
Cecily Saffron
Cecily Margaret
Cecily Anne
Cecily Oriana
Cecily Rhiannon
Cecily Blythe
Cecily Violet
Cecily Hannelore
Cecily River
Cecily Winifred
Cecily Jessica
Cecily Elizabeth
Cecily Melisande
Cecily Amethyst
Cecily Juniper
Cecily Morgaine
Cecily Dawn
Cecily Eluned
Cecily Marguerite
Cecily Niamh
Cecily Gwendolen
Cecily Anna
Cecily Louisa
Cecily Rowan
Cecily Isla
Cecily Fleur
Cecily Johanna
Cecily Elaine
Cecily Lilith
Cecily Lucasta
Cecily Esmeralda
Cecily Morwen
Cecily Adrienne