I need information on the following:

John P. Crosby: born March 13, 1850 in New Canaan, CT and married Elizabeth A. Barron on July 14, 1872.

Frederick Crosby: born July 14, 1848 in New Canaan, CT and married Maria C. Barron on July 14, 1872. They had two daughters Gertrude A. Crosby born 1877 and Louisa A. Crosby born 1873.

They were sons of Frederick Crosby born October 6, 1819 in Carmel, NY and died July 2, 1885 in New Canaan, CT. He was married to Julia Ann Pender Crosby born February 15, 1822 and died February 7, 1894 in New Canaan, CT.

I would appreciate any information you may have to assist me in my search. Thank you for your help.