Charles Francis Xavier O'Brien (March 7, 1879 – November 14, 1940) was an American Democratic Party politician. He served as U.S. Representative from New Jersey's 12th Congressional District from 1921 to 1925.
Charles Francis Xavier O’Brien (* 7. März 1879 in Jersey City, New Jersey; † 14. November 1940 ebenda) war ein US-amerikanischer Politiker. Zwischen 1921 und 1925 vertrat er den Bundesstaat New Jersey im US-Repräsentantenhaus. (de)
Charles Francis Xavier O'Brien (March 7, 1879 – November 14, 1940) was an American Democratic Party politician. He served as U.S. Representative from New Jersey's 12th Congressional District from 1921 to 1925. (en)