Cucuphas was born into a noble Christian family in Scillis (Africa Proconsularis). He and Saint Felix, later martyred at Girona, were said to have been deacons of the Catholic Church in Carthage who arrived at Barcelona to evangelize the area. According to his legend, he functioned as a merchant in Barcelona while preaching the Christian faith, baptizing converts, and aiding the Christian community there. According to Christian accounts of his life, he was generous with the poor and a worker of miracles.