Spanish and Portuguese: mostly from a short form of Spanish
(del) Rosario, Portuguese (do) Rosá, from
rosario ‘rosary’; or from the Marian name María del
Rosario, given in particular to a girl who was born on the
festival of Our Lady of the Rosary, celebrated on the first Sunday in
October. The word derives from Late Latin rosarium ‘rose
garden’, and was transferred to a set of devotions dedicated to the
Virgin Mary as the result of the medieval symbolism which constantly
compared her to a rose.Italian: from the male personal name
Rosario, of the same origin as 1 above.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
125,087
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