Question:
Who was the owner of Young man in Mayo costume in Feb, 1879?

Context:
 Young man in Mayo costume is owned by Ernest Hoschedé from Jan, 1877 to Jun, 1878. 
 Young man in Mayo costume is owned by Édouard Manet from Jan, 1863 to Jan, 1872. 
 Young man in Mayo costume is owned by Henry Osborne Havemeyer from Dec, 1898 to Dec, 1907. 
 Young man in Mayo costume is owned by Jean-Baptiste Faure from Jun, 1878 to Dec, 1898. 
 Young man in Mayo costume is owned by Paul Durand-Ruel from Jan, 1872 to Jan, 1877. 
 Young man in Mayo costume is owned by Louisine Havemeyer from Dec, 1898 to Jan, 1929. 
 Young man in Mayo costume is owned by Metropolitan Museum of Art from Jan, 1929 to Jan, 1929.

Answer:
Jean-Baptiste Faure