Barrau was born in Carcassonne. He was a student of Alexandre Falguière and started at the Salon in 1874. He received awards in 1879, 1880, 1889, and became a Chevalier of the Legion of Honor in 1892. He died in Paris.
- Suzanne, 1895, marble, Musée d'Orsay, Paris.
- Monument aux Morts, 1870, architect : Paul Pujol, Toulouse
- Hommage à Pierre Fermat, marble, Salle des Illustres, Capitole of Toulouse
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