Guillaume Voiriot was a French portrait painter.
In the years of 1746-1749 Voiriot went, at its own expense, to Italy. After his return he became a member of the painters and sculptors guild at Académie de Saint-Luc

Académie de Saint-Luc

The Académie de Saint-Luc was a painters' guild set up in Paris in 1391 by the Provost of Paris, along the lines of the Guilds of Saint Luke in the rest of Europe...

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In the years 1759 to 1771 he regularly exhibited portraits of his contemporaries in the Paris Salon

Paris Salon

The Salon , or rarely Paris Salon , beginning in 1725 was the official art exhibition of the Académie des Beaux-Arts in Paris, France. Between 1748–1890 it was the greatest annual or biannual art event in the Western world...

. He portrayed family members, scientists, writers, actors and musicians.