Overview
The name Romero is a nickname type of surname for a Roman or an Italian. The name was originally derived from the Latin word Romaeus and the Greek word Romaios, which mean Roman.
A person on a religious journey or pilgrimage from Rome (possibly to Jerusalem)
Other variations of the surname
Roemer, a Middle High German and Swiss name meaning a pilgrim to the Holy Land
Romer, an English and Dutch name meaning a religious pilgrim or religious warrior carrying a sacred object on his way to the Holy Land
Rohmer, an Icelandic name meaning a guardian of a sacred place
Romeo, an Italian name meaning a pilgrim to Rome
Romeu, a Portuguese and Catalan name meaning someone on a pilgrimage to the Holy Land
Romeos, a Modern Greek name meaning pilgrim to Jerusalem
Romemu, a Hebraic word meaning one who exalts or glorifies a deity
Robero, a surname derived from the given name Robert
In the genealogical record in the Philippines
Romero is one of the surnames that were given by the Spaniards during the Spanish colonial era in the Philippines and the rest of other colonial nations in order to avoid confusion and technically, as a replacement of the indigenous surnames that were difficult to pronounce among Spaniards, altogether with the Catholic conversions as well. Majority of the ethnic Filipinos did not inherit their Spanish surnames, but obtained them for colonial purposes.
From Wikipedia (CC BY-SA 4.0).