Sya is generally used as a girl's name. It consists of 3 letters and 1 syllable and is pronounced Sya. In the U.S. in 2014, it ranked 18755 in baby name popularity for girls with 5 occurrences.ess than 5 boys were given the name. View the Sya Name Popularity Page to see how the popularity trend for Sya has changed since 1880, or to compare the popularity of Sya to other names. Sya falls into the season name category.