Siris is of Latin origin, meaning 'water lily'. It's a unisex name, though it's more commonly used for females. The name was popularized by the character Sirius Black from the Harry Potter series.
"The name Siris experienced fluctuations in popularity over the years, with peak years being 2004 and 2018 at 10 and 12 births respectively. However, there were also several years with less than 5 births each."