The name Indie is a girl's name . Indie and is often added to lists like Cool Girl Names From Around the World and discussed in our forums with posts like "Drop Your Least Favorite - B/G Twins with middles".
From the experts:
Indie is an independent-sounding nickname name that is in the Top 100 in Wales. As a diminutive, it's growing in popularity -- along with indie films, indie publishing -- and the reason some parents are choosing names like India and Indigo. The Indie version seems more feminine, while Indy as in Indiana Jones tends toward the boyish.