 The first parish church named after Giuseppe Marello was dedicated in Granite Bay, California, in the United States of America on 22 October 2011 at a celebration presided over by Bishop Jaime Soto along with the parish pastor Arnold Ortiz, .The informative process for beatification opened in the Acqui diocese on 23 November 1924 and it concluded in April 1928 while another informative process was opened in Asti from 22 December 1924 and concluded in April 1928 much like the Acqui process; his spiritual writings and other collections received theological approval on 12 May 1937 and a supplementary process was held in Acqui from 1941 to 1942.The formal introduction to the cause came under Pope Pius XII on 28 May 1948 and Marello became titled as a Servant of God.