Four Syllable Names for Boys

Sullivan has made itself into a first name and O'Sullivan may well follow suit.

A minor character of Greek mythology.

Yavuz Selim was a 16th-century sultan of the Ottoman Empire, which grew dramatically over his eight-year reign. Boys in Turkey are given this double-barreled first name in his honor.

Emeterius is the name of a Roman legionary who was martyred around 300 CE and is now a Catholic Saint. He is one of the patron saints of the city of Calahorra, La Rioja, and the city of Santander in Cantabria, Spain is named after him.