Addie

Billie is a tomboy nickname name, part of the growing trend for using boyish nicknames for girls and now destined for stardom along with its most famous contemporary bearer, music sensation Billie Eilish.
 To track its path from blue to pink, Billie was 100% male in 1880, was 55% female just a decade later, in the girls' Top 100 by 1928, and is now overwhelmingly female.
 Billie is a possible retro choice for fans of jazz great Billie Holiday, born Eleanora, and a very contemporary choice for teen singer Billie Eilish -- born Billie Eilish Pirate Baird O'Connell. Other conceivable namesakes are The Wizard of Oz's Glinda--Billie Burke (born Mary William), silent screen star Billie Dove (born Bertha), actresses Billie Whitelaw and Billie Piper (born Lianne) and tennis legend Billie Jean King (born Billie). Another cultural reference is the Michael Jackson hit song 'Billie Jean.'
 Billie was picked for their daughters by Carrie Fisher, My Name is Earl actor Ethan Suplee, and Rebecca Gayheart and Eric Dane.

Billie

Bessie

Cassie

Edie

Frankie is used in almost equal numbers for girls and boys these days. Fun fact: in 2015, it ranked Number 992 for both genders in the US. It is a highly popular boys' name in England and Wales.

Frankie

Florrie

Flossie

Gussie

Gracie

Josie

Janie

Lizzie

Lottie

Millie

Minnie

Rosie

Roxie

Sadie

Sylvie

Teddie

Tessie

Tillie

Trixie

Winnie

Alwaysjane's list "Girl Names with Moxie" of 25 great name ideas: Addie - Winnie!

Girl Names with Moxie

Names that harken back to the 1920s and combine vintage appeal with modern energy. Some could be stand-alone names, while others work better as nicknames.