From Latin Caietanus, meaning 'from Caieta (Gaeta),' a port city in Italy.
Cayetano is the Spanish form of the Italian Gaetano, a name rooted in the ancient Latin "Caietanus," meaning simply "from Caeta" — modern Gaeta, a coastal city in the Lazio region of Italy with a history stretching back before Rome itself. The name therefore carries a specific sense of place, of Mediterranean clay and ancient harbor light. It entered the wider Christian world through Saint Cajetan of Thiene, a sixteenth-century Italian priest who co-founded the Theatine order and devoted himself to caring for the sick and poor of Naples.
He was canonized in 1671, and his feast day on August 7th made Cayetano a popular baptismal name across Catholic communities in Italy, Spain, and Latin America. In the Spanish-speaking world Cayetano became associated with nobility and distinction. The Spanish artist Francisco Goya painted a portrait of the bullfighter Pedro Romero that circulated widely under the name Cayetano, and Cayetano Sanz — one of the great matadors of the nineteenth century — gave the name a flamboyant, sun-soaked vitality.
In literature, Cayetano Delaura appears as a central character in Gabriel García Márquez's novella Of Love and Other Demons, lending the name further literary weight within the Latin American canon. Today Cayetano thrives across Spain, Mexico, Argentina, and the Philippines, carrying equal parts religious heritage and romantic Mediterranean character. Outside Spanish-speaking communities it reads as beautifully exotic without being unpronounceable, inviting curious questions about its origins. It nicknames naturally to Caye or Tano, giving it flexibility across formal and informal contexts.