What Rosario means
Rosario is a unisex name of Spanish origin meaning "rosary". It comes from Spanish rosario (rosary, garland of roses), from Nuestra Señora del Rosario (Our Lady of the Rosary); Latin rosarium. It is pronounced ro-SAH-ree-oh.
Feast October 7. Very common among Mexican women born before 1980; Chayo is the standard nickname.
Nicknames in Mexico: Chayo, Charo, Chayito. Chayo comes from the ending -sario with s becoming ch and the r dropped; Charo is the Spanish equivalent. See the guide to Mexican nicknames.
Popularity: a common name in Mexico.
