From the experts:
Mia, Gia, and now Sia!
Born Sia Kate Isobelle Furler, the Australian singer-songwriter scored a major international hit with "Chandelier" in 2014, and put her short, uncommon name on the radar.
Sia can be a variation of the many Old Norse names derived from the element sigr, victory. But it could also be short for names like Sophia, Sienna, and Cecilia. One of those uncommon names that also simple and approachable.