Although Sylvia seems to be having somewhat of a revival among trendsetting babynamers, we'd still opt for the even gentler and more unusual Sylvie. It feels exotic without being unfamiliar and has a cosmopolitan, international air. It debuted on the US Top 1000 in 2016.
Jason Bateman chose it as the middle name of his daughter Maple. In one of Lewis Carroll's lesser known novels, Sylvie and Bruno, Lady Sylvie is the princess of Fairyland.