Washington Jay McCormick, Jr. (January 4, 1884 – March 7, 1949) was a U.S. Representative from Montana.

He is named after his father, Washington J. McCormick, a prominent Missoula citizen.

[2] This bill did not pass in Congress despite significant support—especially from Irish immigrants who were resentful of British influence.

[3] McCormick allowed his family ranch at Fort Owen to become a state park.

[5] This article incorporates public domain material from the Biographical Directory of the United States Congress