Lauretta is a popular Christian girl's name in India, especially southern states like Kerala.

The most common meaning associated with this name is the Italian version of Latin word Slayer, viz Demon slayer in the Bible.

However, from an Indian context Lauretta is probably a name derived from a similarly rhyming name Laura. In Indian states such as Goa and Kerala, Biblical names are very often used. It is highly likely that Laura itself is an affectionate version of the name Lauretta which means Victory over bad elements in Sanskrit and several Indian languages.

Lauretta is the name of one of the seven women occurring in the character of narrators in The Decameron

The Decameron

The Decameron, also called Prince Galehaut is a 14th-century medieval allegory by Giovanni Boccaccio, told as a frame story encompassing 100 tales by ten young people....

, by Giovanni Boccaccio

Giovanni Boccaccio

Giovanni Boccaccio was an Italian author and poet, a friend, student, and correspondent of Petrarch, an important Renaissance humanist and the author of a number of notable works including the Decameron, On Famous Women, and his poetry in the Italian vernacular...

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In Galic the name comes from the root word laureate or "Queen of the Poets"

Similar names, without any meaning, have arisen from this name such as Laura, Laureal, Lawrence.

The name Lauretta was also the name of a queen in Angola, who passed the name on to her granddaughter Lauretta Geraldo.