First found in Bologna (Bononia) in Emilia where it is the capital of the province of Bologna. The famous University of Bologna was founded in the 11th century, by the 13th century the student body was nearly 10,000. Dante and Petrarch studied there. Tisso was tried there for 1564 for writing satirical poems. Bologna naturally, is famous for its sausages. But many noted scholars were born there. In those ancient times only persons of rank, the podesta, clergy, city officials, army officers, artists, landowners were entered into the records. To be recorded at this time was in itself a family honor.

Some of the first settlers of this family name or some of its variants were: Domingo Ambrosio who arrived in Boston, Massachusetts in 1820 at the age of 21.

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