He was the founding president of the International Company of Commerce and Industry and amongst others, was a shipowner, capitalist, warehouse owner, honorary consul of Italy in Pernambuco and Rio and builder of the biggest dry dam on the island of Mocanguê.
The main enterprise of his family was the shipping line Wilson & Sons, which he and his brothers, Alexander and James, later ran.
In 1894, Wilson Jr. was detained by Floriano Peixoto for his role in the Revolta da Armada and subsequently exiled back to England for a year.
He later died in the Hotel das Paineiras in Laranjeiras and was buried in the grounds of his residence, the Palacete dos Leões.
He had six children (Eduardo, Alfred, Carlos, Alice, Amélie "Millie" and Stella) by his wife, Felisbella "Yayá" Ernestina Cintra née da Silva.