Background
José was born in Buenos Aires, the son Juan Canaveris (born in Italy) and Bernarda Esparza daughter of Juan Miguel de Esparza.
accountant politician prosecutor
José was born in Buenos Aires, the son Juan Canaveris (born in Italy) and Bernarda Esparza daughter of Juan Miguel de Esparza.
He had served in the Army as officer, during the English invasions in the Río de la Plata. A son, Juan Manuel Canaveris was prosecutor during in the early days of Government of Juan Manuel de Rosas, but then he was forced into exile in Montevideo. Canaveris was neighbor of Vicente Anastasio Echevarría, had his house one block from the church Louisiana Merced, in the neighborhood of San Nicoláson
José Canaveris was descendant of a family of notaries and lawyers from Piedmont, that like his father were employees of the Court of Auditors.
With the help of his father, Jose began his career as a notary at the Court of Auditors, in the early of 1800s. During the British invasions of the Río de la Plata, he joined the criollas militias, where was assistant of the battalion of Quinteros and Labradores in 1807.
The January 13, 1809 the Supreme Junta of Seville decided on behalf of the king, reward the officers of the various organs of the militia, giving the rank of Captain to José Canaveris. After the British invasion, Canaveris alternated military service with duties in the Cabildo as notary, accountant, and alcalde of barrack.
Canaveris also devoted much of his time to teaching, especially in the primary education.
Canaveris was involved in political conflicts between federales and unitarian, during a visit to Juan José Viamonte, Governor of Buenos Aires, a group of bandits had opened fire on the house of the governor. At that meeting of Viamonte and Canaveris, had also participated Miguel de Azcuénaga and Gervasio Espinosa.
In 1820 was appointed official of the Junta de Representantes, and member of Comisaría de Guerra, (commissariat of war).