Quintero (surname)
Footnotes:
Quintero is a Spanish surname originating in the Spanish region of Galicia. The name comes from quinto or quinta which means "fifth". It is possible that a "quintero" was a renter of quintas (also known as haciendas, the Spanish equivalent to a ranch). The quintero would rent one-fifth of the land and pay as rent one-fifith of his produce of the land to the landlord.
Others have suggested, not dissimilarly, that the surname is habitational, derived from a placed called Quintero in Ourense province, so named from quinteiro, meaning "farmstead".
Read more about Quintero (surname): Related Surnames