Meaning and name origin
Rosario \r(o)-sa-rio\ as a boy's name (also used as girl's name Rosario), is pronounced roe-ZAR-ee-oh. It is of Latin origin, and the meaning of Rosario is "rosary". From Rosarius. In Roman Catholic countries, this name has traditionally been given to those born on the first Sunday in October, the Feast of "Our Lady of the Rosary". This name is feminine in Spanish and masculine in Italian.
Rosario is a somewhat popular first name for males (#953 out of 1220, Top 78%) and an even more popular surname or last name for all people (#820 out of 88799, Top 1%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Rosario for boys. Rosario reached its highest rank of #561 in the U.S. in 1920-1929. (2014 statistics).
A suggested similar baby name is Rogerio. This name tends to be less commonly used than Rosario.