Sole is also used as a masculine name in Italian. However, it's more common for females. So, I think that the "Gender" of this name should be changed from "Feminine" to "Feminine & Masculine".Source: https://forebears.io/x/forenames/sole
In 1999 were born less than five babies named Sole, in 2013 they were 25. After the birth of a celebrity baby new 92 Sole were born in 2014. The name has increased in popularity and in 2018 Sole was given to 192 babies.