Current Fort Collins, Colorado Population, Demographics and stats in 2016, 2015.
The name Evie means Diminutive of Eve: Life, living, lively. Famous bearer: the Old Testament mother of the human race who tasted the forbidden fruit, precipitating the Fall of Man. in Hebrew. The history of Evie originates from a Hebrew background. Browse for all the origins, histories, and meanings of Evie and over 40,000 other names. Names - Meaning of Evie
People often use 'short for' when they mean 'informal' even if the nickname is longer eg Eve/Evie. OP if you're thinking of using Polly I think people will just assume that's her official name. It's been many a decade since people called Mary but known as Polly were born. Most people wouldn't even know Polly was derived from Mary.