Auxiliary bishop
Serra was born in Badalona, Spain and was ordained a priest on July 30, 1939 of the Diocese of Barcelona. He was appointed Auxiliary bishop of the Diocese of Barcelona as well as Titular bishop of Mathara in Proconsulari on October 22, 1969 and ordained a bishop December 14, 1968. Serra retired as Auxiliary bishop of Diocese of Barcelona on October 30, 1987.