Background
Stack was born in Listowel, County Kerry, Ireland.
United States representative politician
Stack was born in Listowel, County Kerry, Ireland.
He attended Saint Josephs College in Philadelphia and graduated from Saint Mary's University in Baltimore, Maryland, in 1910.
He immigrated to the United States in 1903 and settled in Philadelphia. He was employed by a railroad company at Detroit, Michigan, from 1910 to 1917. During the First World War enlisted on July 17, 1917, as a private in the Medical Detachment, Three Hundred and Sixtieth Infantry.
After the war became engaged in the real estate business in Philadelphia.
Stack was elected as a Democrat to the Seventy-fourth and Seventy-fifth Congresses. He was an unsuccessful Democratic candidate for renomination in 1938 and was an unsuccessful Royal Oak candidate for reelection in 1938.
He resumed the real estate business, and died in Philadelphia. Interment in Saint Denis Cemetery in Havertown, Pennsylvania.