The name Fernando is derived from the Germanic words "fridu" meaning peace and "nanth" meaning brave or daring. It originated in the region now known as Spain and Portugal, where it first appeared as a given name during the 8th century.

The name grew in popularity after the famous Spanish knight Fernando III, who ruled as King of Castile and Leon from 1217 to 1252. He was canonized as a saint by the Catholic Church in 1671 for his efforts in the Reconquista, the campaign to drive the Moors out of the Iberian Peninsula.

During the Middle Ages, Fernando was a common name among the noble classes of Spain and Portugal. One notable bearer was Fernando I of Portugal, who reigned from 1367 to 1383 and was known as "The Handsome" for his good looks.

As Spanish and Portuguese explorers and colonists ventured to the Americas in the 15th and 16th centuries, they brought the name Fernando with them. It became widespread throughout Latin America, particularly in Mexico and Central America.

Some other famous historical figures named Fernando include the Italian composer Fernando Sor (1778-1839), the Spanish painter Fernando Gallego (active c. 1468-1507), and the Mexican general Fernando Álvarez de Toro (1924-1980), who played a key role in the Mexican Revolution.

The name Fernando has endured through the centuries, retaining its association with bravery, nobility, and Hispanic cultural heritage. Its popularity has transcended borders, making it a recognizable name across the Spanish-speaking world and beyond.