"Variant of Saul"
The name Saulo is commonly a male name from the "Swedish" origin.
Saulo is the Spanish and Portuguese form of Saul, spelled the same way in both languages. It corresponds to the Greek Saulos used in the New Testament for the apostle Paul before his conversion, and it goes back to the Hebrew name of King Saul, Sha'ul.
Saul means "Child who was asked for.".
The pronunciation of Saulo is SOW-loh.