Background
Costello, John Martin was born on January 15, 1903 in Los Angeles, California, United States. Son of Martin and Mary (McNeilis) Costello.
Costello, John Martin was born on January 15, 1903 in Los Angeles, California, United States. Son of Martin and Mary (McNeilis) Costello.
Bachelor of Arts, Loyola University, Los Angeles, 1922, Master of Arts, 1923, Bachelor of Laws, 1924. Unmarried.
Admitted to California bar, 1924. Teacher Los Angeles secondary schools, 1924-1925. Democratic candidate for 73rd Congress.
Member 74th to 78th Congresses (1935-1945), 15th California District General Counsel, Washington Office of Los Angeles Chamber of Commerce.
Member Native Sons of the Golden West. Member Knights of Columbus, Elks.