O’Conner & Atkins were recorded in one announcement on March 24, 1859 in the Delaware Gazette (Delhi, New York).  Delaware County Agricultural Society.  Premium List—1859…  Class L—No. 3—Discretionary.

Best ambrotypes, Jones & Ferguson, Kortright,         $1                                                                            2d best, M. L. Lemily, Kortright,                                        .75                                                                          3d best, O’Conner & Atkins,                                                .50

O’Conner & Atkins are not recorded in other photographic directories.  One could speculate that they are from Delhi, New York since that is where the newspaper is published and the other entries are listed as being from Kortright, New York.