JAY COOKE JR.
American banker. The eldest son of Jay Cooke. He served as a junior partner in his fatherís Washington and New York offices until the collapse of Jay Cooke and Company in September, 1873. In December of that year, he along with his brother-in-law, Charles D. Barney formed Charles D. Barney & Co. and served as a minority partner in the firm, essentially reopening the doors of the failed former company. Their new company concentrated on trading securities.