Father Antony Oomen, then Parish Priest of San Jose Parish (Cathedral), gathered twenty-eight people for the purpose of forming a Cooperative on 23 February 1964. Fifteen of them were members of the Knights of the Columbus, with the assistance of two representatives from Cooperative Administration Office (CAO). On 22 September 1964, of the same year, San Jose Credit Union was born and was formally registered. Its temporary home was at the basement of the San Jose Parish Convento. At the end of 1964, the Credit Union had 151 members, total assets of P4,392.47, and total share capital of P4, 288.00. Retired Judge Ciriaco Q. Nietes and Ms. Epifania S. Ballescas, a retired teacher were the Chairperson of the Board of Directors and Treasurer, respectively.
The Roman Catholic Diocese of San Jose de Antique, under the leadership of Bishop Cornelio De Wit conducted a province wide campaign and soon there were coops in every parish.