He received a Bachelor of Arts degree from St. Francis College in Brooklyn Heights before he entered the novitiate for the Catholic Foreign Mission Society of America, or Maryknoll, and professed religious vows in 1925.

During World War II he served as a military chaplain in the United States Army attaining the rank of Major.

Pope Pius XII named Pardy the Titular Bishop of Irenopolis in Isauria and Vicar Apostolic of Cheongju on July 4, 1958.

At his consecration he was given the crosier used by Cardinal John McCloskey of New York and Bishop Patrick Byrne, M.M., who died on a death march to the Yalu River.

Bishop Pardy died at El Camino Real Hospital in Mountain View, California, on February 15, 1983, at the age of 84.